7950800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 22602720

約数和(自身を除く): 14651920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 139, 143, 176, 200, 208, 220, 260, 275, 278, 286, 325, 400, 440, 520, 550, 556, 572, 650, 695, 715, 880, 1040, 1100, 1112, 1144, 1300, 1390, 1430, 1529, 1807, 2200, 2224, 2288, 2600, 2780, 2860, 3058, 3475, 3575, 3614, 4400, 5200, 5560, 5720, 6116, 6950, 7150, 7228, 7645, 9035, 11120, 11440, 12232, 13900, 14300, 14456, 15290, 18070, 19877, 24464, 27800, 28600, 28912, 30580, 36140, 38225, 39754, 45175, 55600, 57200, 61160, 72280, 76450, 79508, 90350, 99385, 122320, 144560, 152900, 159016, 180700, 198770, 305800, 318032, 361400, 397540, 496925, 611600, 722800, 795080, 993850, 1590160, 1987700, 3975400, 7950800]

約数ペア:

[(1, 7950800), (2, 3975400), (4, 1987700), (5, 1590160), (8, 993850), (10, 795080), (11, 722800), (13, 611600), (16, 496925), (20, 397540), (22, 361400), (25, 318032), (26, 305800), (40, 198770), (44, 180700), (50, 159016), (52, 152900), (55, 144560), (65, 122320), (80, 99385), (88, 90350), (100, 79508), (104, 76450), (110, 72280), (130, 61160), (139, 57200), (143, 55600), (176, 45175), (200, 39754), (208, 38225), (220, 36140), (260, 30580), (275, 28912), (278, 28600), (286, 27800), (325, 24464), (400, 19877), (440, 18070), (520, 15290), (550, 14456), (556, 14300), (572, 13900), (650, 12232), (695, 11440), (715, 11120), (880, 9035), (1040, 7645), (1100, 7228), (1112, 7150), (1144, 6950), (1300, 6116), (1390, 5720), (1430, 5560), (1529, 5200), (1807, 4400), (2200, 3614), (2224, 3575), (2288, 3475), (2600, 3058), (2780, 2860)]