28570750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 30397250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 59, 65, 118, 125, 130, 149, 250, 295, 298, 325, 590, 650, 745, 767, 1475, 1490, 1534, 1625, 1937, 2950, 3250, 3725, 3835, 3874, 7375, 7450, 7670, 8791, 9685, 14750, 17582, 18625, 19175, 19370, 37250, 38350, 43955, 48425, 87910, 95875, 96850, 114283, 191750, 219775, 228566, 242125, 439550, 484250, 571415, 1098875, 1142830, 2197750, 2857075, 5714150, 14285375, 28570750]

約数ペア:

[(1, 28570750), (2, 14285375), (5, 5714150), (10, 2857075), (13, 2197750), (25, 1142830), (26, 1098875), (50, 571415), (59, 484250), (65, 439550), (118, 242125), (125, 228566), (130, 219775), (149, 191750), (250, 114283), (295, 96850), (298, 95875), (325, 87910), (590, 48425), (650, 43955), (745, 38350), (767, 37250), (1475, 19370), (1490, 19175), (1534, 18625), (1625, 17582), (1937, 14750), (2950, 9685), (3250, 8791), (3725, 7670), (3835, 7450), (3874, 7375)]