399202128

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2354

約数の個数: 160

約数和(自身を含む): 1274362880

約数和(自身を除く): 875160752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 36, 39, 48, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 144, 156, 186, 208, 216, 234, 248, 279, 312, 351, 372, 403, 432, 468, 496, 558, 624, 702, 744, 806, 837, 936, 1116, 1209, 1404, 1488, 1612, 1674, 1872, 2232, 2293, 2418, 2808, 3224, 3348, 3627, 4464, 4586, 4836, 5616, 6448, 6696, 6879, 7254, 9172, 9672, 10881, 13392, 13758, 14508, 18344, 19344, 20637, 21762, 27516, 29016, 29809, 36688, 41274, 43524, 55032, 58032, 59618, 61911, 71083, 82548, 87048, 89427, 110064, 119236, 123822, 142166, 165096, 174096, 178854, 213249, 238472, 247644, 268281, 284332, 330192, 357708, 426498, 476944, 495288, 536562, 568664, 639747, 715416, 804843, 852996, 924079, 990576, 1073124, 1137328, 1279494, 1430832, 1609686, 1705992, 1848158, 1919241, 2146248, 2558988, 2772237, 3219372, 3411984, 3696316, 3838482, 4292496, 5117976, 5544474, 6438744, 7392632, 7676964, 8316711, 10235952, 11088948, 12877488, 14785264, 15353928, 16633422, 22177896, 24950133, 30707856, 33266844, 44355792, 49900266, 66533688, 99800532, 133067376, 199601064, 399202128]

約数ペア:

[(1, 399202128), (2, 199601064), (3, 133067376), (4, 99800532), (6, 66533688), (8, 49900266), (9, 44355792), (12, 33266844), (13, 30707856), (16, 24950133), (18, 22177896), (24, 16633422), (26, 15353928), (27, 14785264), (31, 12877488), (36, 11088948), (39, 10235952), (48, 8316711), (52, 7676964), (54, 7392632), (62, 6438744), (72, 5544474), (78, 5117976), (93, 4292496), (104, 3838482), (108, 3696316), (117, 3411984), (124, 3219372), (144, 2772237), (156, 2558988), (186, 2146248), (208, 1919241), (216, 1848158), (234, 1705992), (248, 1609686), (279, 1430832), (312, 1279494), (351, 1137328), (372, 1073124), (403, 990576), (432, 924079), (468, 852996), (496, 804843), (558, 715416), (624, 639747), (702, 568664), (744, 536562), (806, 495288), (837, 476944), (936, 426498), (1116, 357708), (1209, 330192), (1404, 284332), (1488, 268281), (1612, 247644), (1674, 238472), (1872, 213249), (2232, 178854), (2293, 174096), (2418, 165096), (2808, 142166), (3224, 123822), (3348, 119236), (3627, 110064), (4464, 89427), (4586, 87048), (4836, 82548), (5616, 71083), (6448, 61911), (6696, 59618), (6879, 58032), (7254, 55032), (9172, 43524), (9672, 41274), (10881, 36688), (13392, 29809), (13758, 29016), (14508, 27516), (18344, 21762), (19344, 20637)]