2889779920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{51383}}^1$

素因数の和:51452

約数の個数: 80

約数和(自身を含む): 7263642240

約数和(自身を除く): 4373862320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 14060, 28120, 51383, 56240, 102766, 205532, 256915, 411064, 513830, 822128, 976277, 1027660, 1901171, 1952554, 2055320, 3802342, 3905108, 4110640, 4881385, 7604684, 7810216, 9505855, 9762770, 15209368, 15620432, 19011710, 19525540, 30418736, 36122249, 38023420, 39051080, 72244498, 76046840, 78102160, 144488996, 152093680, 180611245, 288977992, 361222490, 577955984, 722444980, 1444889960, 2889779920]

約数ペア:

[(1, 2889779920), (2, 1444889960), (4, 722444980), (5, 577955984), (8, 361222490), (10, 288977992), (16, 180611245), (19, 152093680), (20, 144488996), (37, 78102160), (38, 76046840), (40, 72244498), (74, 39051080), (76, 38023420), (80, 36122249), (95, 30418736), (148, 19525540), (152, 19011710), (185, 15620432), (190, 15209368), (296, 9762770), (304, 9505855), (370, 7810216), (380, 7604684), (592, 4881385), (703, 4110640), (740, 3905108), (760, 3802342), (1406, 2055320), (1480, 1952554), (1520, 1901171), (2812, 1027660), (2960, 976277), (3515, 822128), (5624, 513830), (7030, 411064), (11248, 256915), (14060, 205532), (28120, 102766), (51383, 56240)]