9990500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 24766560

約数和(自身を除く): 14776060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 53, 58, 65, 100, 106, 116, 125, 130, 145, 212, 250, 260, 265, 290, 325, 377, 500, 530, 580, 650, 689, 725, 754, 1060, 1300, 1325, 1378, 1450, 1508, 1537, 1625, 1885, 2650, 2756, 2900, 3074, 3250, 3445, 3625, 3770, 5300, 6148, 6500, 6625, 6890, 7250, 7540, 7685, 9425, 13250, 13780, 14500, 15370, 17225, 18850, 19981, 26500, 30740, 34450, 37700, 38425, 39962, 47125, 68900, 76850, 79924, 86125, 94250, 99905, 153700, 172250, 188500, 192125, 199810, 344500, 384250, 399620, 499525, 768500, 999050, 1998100, 2497625, 4995250, 9990500]

約数ペア:

[(1, 9990500), (2, 4995250), (4, 2497625), (5, 1998100), (10, 999050), (13, 768500), (20, 499525), (25, 399620), (26, 384250), (29, 344500), (50, 199810), (52, 192125), (53, 188500), (58, 172250), (65, 153700), (100, 99905), (106, 94250), (116, 86125), (125, 79924), (130, 76850), (145, 68900), (212, 47125), (250, 39962), (260, 38425), (265, 37700), (290, 34450), (325, 30740), (377, 26500), (500, 19981), (530, 18850), (580, 17225), (650, 15370), (689, 14500), (725, 13780), (754, 13250), (1060, 9425), (1300, 7685), (1325, 7540), (1378, 7250), (1450, 6890), (1508, 6625), (1537, 6500), (1625, 6148), (1885, 5300), (2650, 3770), (2756, 3625), (2900, 3445), (3074, 3250)]