251018370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 668663424

約数和(自身を除く): 417645054

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 163, 213, 241, 326, 355, 426, 482, 489, 639, 710, 723, 815, 978, 1065, 1205, 1278, 1446, 1467, 1630, 2130, 2169, 2410, 2445, 2934, 3195, 3615, 4338, 4890, 6390, 7230, 7335, 10845, 11573, 14670, 17111, 21690, 23146, 34222, 34719, 39283, 51333, 57865, 69438, 78566, 85555, 102666, 104157, 115730, 117849, 153999, 171110, 173595, 196415, 208314, 235698, 256665, 307998, 347190, 353547, 392830, 513330, 520785, 589245, 707094, 769995, 1041570, 1178490, 1539990, 1767735, 2789093, 3535470, 5578186, 8367279, 13945465, 16734558, 25101837, 27890930, 41836395, 50203674, 83672790, 125509185, 251018370]

約数ペア:

[(1, 251018370), (2, 125509185), (3, 83672790), (5, 50203674), (6, 41836395), (9, 27890930), (10, 25101837), (15, 16734558), (18, 13945465), (30, 8367279), (45, 5578186), (71, 3535470), (90, 2789093), (142, 1767735), (163, 1539990), (213, 1178490), (241, 1041570), (326, 769995), (355, 707094), (426, 589245), (482, 520785), (489, 513330), (639, 392830), (710, 353547), (723, 347190), (815, 307998), (978, 256665), (1065, 235698), (1205, 208314), (1278, 196415), (1446, 173595), (1467, 171110), (1630, 153999), (2130, 117849), (2169, 115730), (2410, 104157), (2445, 102666), (2934, 85555), (3195, 78566), (3615, 69438), (4338, 57865), (4890, 51333), (6390, 39283), (7230, 34719), (7335, 34222), (10845, 23146), (11573, 21690), (14670, 17111)]