19856200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1127

約数の個数: 96

約数和(自身を含む): 56871360

約数和(自身を除く): 37015160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1091, 1300, 1400, 1820, 2182, 2275, 2600, 3640, 4364, 4550, 5455, 7637, 8728, 9100, 10910, 14183, 15274, 18200, 21820, 27275, 28366, 30548, 38185, 43640, 54550, 56732, 61096, 70915, 76370, 99281, 109100, 113464, 141830, 152740, 190925, 198562, 218200, 283660, 305480, 354575, 381850, 397124, 496405, 567320, 709150, 763700, 794248, 992810, 1418300, 1527400, 1985620, 2482025, 2836600, 3971240, 4964050, 9928100, 19856200]

約数ペア:

[(1, 19856200), (2, 9928100), (4, 4964050), (5, 3971240), (7, 2836600), (8, 2482025), (10, 1985620), (13, 1527400), (14, 1418300), (20, 992810), (25, 794248), (26, 763700), (28, 709150), (35, 567320), (40, 496405), (50, 397124), (52, 381850), (56, 354575), (65, 305480), (70, 283660), (91, 218200), (100, 198562), (104, 190925), (130, 152740), (140, 141830), (175, 113464), (182, 109100), (200, 99281), (260, 76370), (280, 70915), (325, 61096), (350, 56732), (364, 54550), (455, 43640), (520, 38185), (650, 30548), (700, 28366), (728, 27275), (910, 21820), (1091, 18200), (1300, 15274), (1400, 14183), (1820, 10910), (2182, 9100), (2275, 8728), (2600, 7637), (3640, 5455), (4364, 4550)]