412964240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20899}}^1$

素因数の和:20944

約数の個数: 80

約数和(自身を含む): 1088472000

約数和(自身を除く): 675507760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 20899, 41798, 83596, 104495, 167192, 208990, 271687, 334384, 397081, 417980, 543374, 794162, 835960, 1086748, 1358435, 1588324, 1671920, 1985405, 2173496, 2716870, 3176648, 3970810, 4346992, 5162053, 5433740, 6353296, 7941620, 10324106, 10867480, 15883240, 20648212, 21734960, 25810265, 31766480, 41296424, 51620530, 82592848, 103241060, 206482120, 412964240]

約数ペア:

[(1, 412964240), (2, 206482120), (4, 103241060), (5, 82592848), (8, 51620530), (10, 41296424), (13, 31766480), (16, 25810265), (19, 21734960), (20, 20648212), (26, 15883240), (38, 10867480), (40, 10324106), (52, 7941620), (65, 6353296), (76, 5433740), (80, 5162053), (95, 4346992), (104, 3970810), (130, 3176648), (152, 2716870), (190, 2173496), (208, 1985405), (247, 1671920), (260, 1588324), (304, 1358435), (380, 1086748), (494, 835960), (520, 794162), (760, 543374), (988, 417980), (1040, 397081), (1235, 334384), (1520, 271687), (1976, 208990), (2470, 167192), (3952, 104495), (4940, 83596), (9880, 41798), (19760, 20899)]