289889080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 776066400

約数和(自身を除く): 486177320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 37, 38, 40, 52, 61, 65, 74, 76, 95, 104, 122, 130, 148, 152, 169, 185, 190, 244, 247, 260, 296, 305, 338, 370, 380, 481, 488, 494, 520, 610, 676, 703, 740, 760, 793, 845, 962, 988, 1159, 1220, 1235, 1352, 1406, 1480, 1586, 1690, 1924, 1976, 2257, 2318, 2405, 2440, 2470, 2812, 3172, 3211, 3380, 3515, 3848, 3965, 4514, 4636, 4810, 4940, 5624, 5795, 6253, 6344, 6422, 6760, 7030, 7930, 9028, 9139, 9272, 9620, 9880, 10309, 11285, 11590, 12506, 12844, 14060, 15067, 15860, 16055, 18056, 18278, 19240, 20618, 22570, 23180, 25012, 25688, 28120, 29341, 30134, 31265, 31720, 32110, 36556, 41236, 42883, 45140, 45695, 46360, 50024, 51545, 58682, 60268, 62530, 64220, 73112, 75335, 82472, 85766, 90280, 91390, 103090, 117364, 118807, 120536, 125060, 128440, 146705, 150670, 171532, 182780, 195871, 206180, 214415, 234728, 237614, 250120, 293410, 301340, 343064, 365560, 381433, 391742, 412360, 428830, 475228, 557479, 586820, 594035, 602680, 762866, 783484, 857660, 950456, 979355, 1114958, 1173640, 1188070, 1525732, 1566968, 1715320, 1907165, 1958710, 2229916, 2376140, 2787395, 3051464, 3814330, 3917420, 4459832, 4752280, 5574790, 7247227, 7628660, 7834840, 11149580, 14494454, 15257320, 22299160, 28988908, 36236135, 57977816, 72472270, 144944540, 289889080]

約数ペア:

[(1, 289889080), (2, 144944540), (4, 72472270), (5, 57977816), (8, 36236135), (10, 28988908), (13, 22299160), (19, 15257320), (20, 14494454), (26, 11149580), (37, 7834840), (38, 7628660), (40, 7247227), (52, 5574790), (61, 4752280), (65, 4459832), (74, 3917420), (76, 3814330), (95, 3051464), (104, 2787395), (122, 2376140), (130, 2229916), (148, 1958710), (152, 1907165), (169, 1715320), (185, 1566968), (190, 1525732), (244, 1188070), (247, 1173640), (260, 1114958), (296, 979355), (305, 950456), (338, 857660), (370, 783484), (380, 762866), (481, 602680), (488, 594035), (494, 586820), (520, 557479), (610, 475228), (676, 428830), (703, 412360), (740, 391742), (760, 381433), (793, 365560), (845, 343064), (962, 301340), (988, 293410), (1159, 250120), (1220, 237614), (1235, 234728), (1352, 214415), (1406, 206180), (1480, 195871), (1586, 182780), (1690, 171532), (1924, 150670), (1976, 146705), (2257, 128440), (2318, 125060), (2405, 120536), (2440, 118807), (2470, 117364), (2812, 103090), (3172, 91390), (3211, 90280), (3380, 85766), (3515, 82472), (3848, 75335), (3965, 73112), (4514, 64220), (4636, 62530), (4810, 60268), (4940, 58682), (5624, 51545), (5795, 50024), (6253, 46360), (6344, 45695), (6422, 45140), (6760, 42883), (7030, 41236), (7930, 36556), (9028, 32110), (9139, 31720), (9272, 31265), (9620, 30134), (9880, 29341), (10309, 28120), (11285, 25688), (11590, 25012), (12506, 23180), (12844, 22570), (14060, 20618), (15067, 19240), (15860, 18278), (16055, 18056)]