18401500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 45864000

約数和(自身を除く): 27462500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 149, 190, 247, 250, 260, 298, 325, 380, 475, 494, 500, 596, 650, 745, 950, 988, 1235, 1300, 1490, 1625, 1900, 1937, 2375, 2470, 2831, 2980, 3250, 3725, 3874, 4750, 4940, 5662, 6175, 6500, 7450, 7748, 9500, 9685, 11324, 12350, 14155, 14900, 18625, 19370, 24700, 28310, 30875, 36803, 37250, 38740, 48425, 56620, 61750, 70775, 73606, 74500, 96850, 123500, 141550, 147212, 184015, 193700, 242125, 283100, 353875, 368030, 484250, 707750, 736060, 920075, 968500, 1415500, 1840150, 3680300, 4600375, 9200750, 18401500]

約数ペア:

[(1, 18401500), (2, 9200750), (4, 4600375), (5, 3680300), (10, 1840150), (13, 1415500), (19, 968500), (20, 920075), (25, 736060), (26, 707750), (38, 484250), (50, 368030), (52, 353875), (65, 283100), (76, 242125), (95, 193700), (100, 184015), (125, 147212), (130, 141550), (149, 123500), (190, 96850), (247, 74500), (250, 73606), (260, 70775), (298, 61750), (325, 56620), (380, 48425), (475, 38740), (494, 37250), (500, 36803), (596, 30875), (650, 28310), (745, 24700), (950, 19370), (988, 18625), (1235, 14900), (1300, 14155), (1490, 12350), (1625, 11324), (1900, 9685), (1937, 9500), (2375, 7748), (2470, 7450), (2831, 6500), (2980, 6175), (3250, 5662), (3725, 4940), (3874, 4750)]