288282020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 688214016

約数和(自身を除く): 399931996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 155, 188, 235, 260, 310, 403, 470, 611, 620, 761, 806, 940, 1222, 1457, 1522, 1612, 2015, 2444, 2914, 3044, 3055, 3805, 4030, 5828, 6110, 7285, 7610, 8060, 9893, 12220, 14570, 15220, 18941, 19786, 23591, 29140, 35767, 37882, 39572, 47182, 49465, 71534, 75764, 94364, 94705, 98930, 117955, 143068, 178835, 189410, 197860, 235910, 306683, 357670, 378820, 464971, 471820, 613366, 715340, 929942, 1108777, 1226732, 1533415, 1859884, 2217554, 2324855, 3066830, 4435108, 4649710, 5543885, 6133660, 9299420, 11087770, 14414101, 22175540, 28828202, 57656404, 72070505, 144141010, 288282020]

約数ペア:

[(1, 288282020), (2, 144141010), (4, 72070505), (5, 57656404), (10, 28828202), (13, 22175540), (20, 14414101), (26, 11087770), (31, 9299420), (47, 6133660), (52, 5543885), (62, 4649710), (65, 4435108), (94, 3066830), (124, 2324855), (130, 2217554), (155, 1859884), (188, 1533415), (235, 1226732), (260, 1108777), (310, 929942), (403, 715340), (470, 613366), (611, 471820), (620, 464971), (761, 378820), (806, 357670), (940, 306683), (1222, 235910), (1457, 197860), (1522, 189410), (1612, 178835), (2015, 143068), (2444, 117955), (2914, 98930), (3044, 94705), (3055, 94364), (3805, 75764), (4030, 71534), (5828, 49465), (6110, 47182), (7285, 39572), (7610, 37882), (8060, 35767), (9893, 29140), (12220, 23591), (14570, 19786), (15220, 18941)]