397609992

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 256

約数和(自身を含む): 1264032000

約数和(自身を除く): 866422008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 43, 52, 54, 72, 74, 78, 86, 89, 104, 108, 111, 117, 129, 148, 156, 172, 178, 216, 222, 234, 258, 267, 296, 312, 333, 344, 351, 356, 387, 444, 468, 481, 516, 534, 559, 666, 702, 712, 774, 801, 888, 936, 962, 999, 1032, 1068, 1118, 1157, 1161, 1332, 1404, 1443, 1548, 1591, 1602, 1677, 1924, 1998, 2136, 2236, 2314, 2322, 2403, 2664, 2808, 2886, 3096, 3182, 3204, 3293, 3354, 3471, 3827, 3848, 3996, 4329, 4472, 4628, 4644, 4773, 4806, 5031, 5772, 6364, 6408, 6586, 6708, 6942, 7654, 7992, 8658, 9256, 9288, 9546, 9612, 9879, 10062, 10413, 11481, 11544, 12728, 12987, 13172, 13416, 13884, 14319, 15093, 15308, 17316, 19092, 19224, 19758, 20124, 20683, 20826, 22962, 25974, 26344, 27768, 28638, 29637, 30186, 30616, 31239, 34443, 34632, 38184, 39516, 40248, 41366, 41652, 42809, 42957, 45924, 49751, 51948, 57276, 59274, 60372, 62049, 62478, 68886, 79032, 82732, 83304, 85618, 85914, 88911, 91848, 99502, 103329, 103896, 114552, 118548, 120744, 124098, 124956, 128427, 137772, 141599, 149253, 165464, 171236, 171828, 177822, 186147, 199004, 206658, 237096, 248196, 249912, 256854, 275544, 283198, 298506, 342472, 343656, 355644, 372294, 385281, 398008, 413316, 424797, 447759, 496392, 513708, 558441, 566396, 597012, 711288, 744588, 770562, 826632, 849594, 895518, 1027416, 1116882, 1132792, 1155843, 1194024, 1274391, 1343277, 1489176, 1541124, 1699188, 1791036, 1840787, 2233764, 2311686, 2548782, 2686554, 3082248, 3398376, 3582072, 3681574, 3823173, 4467528, 4623372, 5097564, 5373108, 5522361, 7363148, 7646346, 9246744, 10195128, 10746216, 11044722, 14726296, 15292692, 16567083, 22089444, 30585384, 33134166, 44178888, 49701249, 66268332, 99402498, 132536664, 198804996, 397609992]

約数ペア:

[(1, 397609992), (2, 198804996), (3, 132536664), (4, 99402498), (6, 66268332), (8, 49701249), (9, 44178888), (12, 33134166), (13, 30585384), (18, 22089444), (24, 16567083), (26, 15292692), (27, 14726296), (36, 11044722), (37, 10746216), (39, 10195128), (43, 9246744), (52, 7646346), (54, 7363148), (72, 5522361), (74, 5373108), (78, 5097564), (86, 4623372), (89, 4467528), (104, 3823173), (108, 3681574), (111, 3582072), (117, 3398376), (129, 3082248), (148, 2686554), (156, 2548782), (172, 2311686), (178, 2233764), (216, 1840787), (222, 1791036), (234, 1699188), (258, 1541124), (267, 1489176), (296, 1343277), (312, 1274391), (333, 1194024), (344, 1155843), (351, 1132792), (356, 1116882), (387, 1027416), (444, 895518), (468, 849594), (481, 826632), (516, 770562), (534, 744588), (559, 711288), (666, 597012), (702, 566396), (712, 558441), (774, 513708), (801, 496392), (888, 447759), (936, 424797), (962, 413316), (999, 398008), (1032, 385281), (1068, 372294), (1118, 355644), (1157, 343656), (1161, 342472), (1332, 298506), (1404, 283198), (1443, 275544), (1548, 256854), (1591, 249912), (1602, 248196), (1677, 237096), (1924, 206658), (1998, 199004), (2136, 186147), (2236, 177822), (2314, 171828), (2322, 171236), (2403, 165464), (2664, 149253), (2808, 141599), (2886, 137772), (3096, 128427), (3182, 124956), (3204, 124098), (3293, 120744), (3354, 118548), (3471, 114552), (3827, 103896), (3848, 103329), (3996, 99502), (4329, 91848), (4472, 88911), (4628, 85914), (4644, 85618), (4773, 83304), (4806, 82732), (5031, 79032), (5772, 68886), (6364, 62478), (6408, 62049), (6586, 60372), (6708, 59274), (6942, 57276), (7654, 51948), (7992, 49751), (8658, 45924), (9256, 42957), (9288, 42809), (9546, 41652), (9612, 41366), (9879, 40248), (10062, 39516), (10413, 38184), (11481, 34632), (11544, 34443), (12728, 31239), (12987, 30616), (13172, 30186), (13416, 29637), (13884, 28638), (14319, 27768), (15093, 26344), (15308, 25974), (17316, 22962), (19092, 20826), (19224, 20683), (19758, 20124)]