858485890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 1676505600

約数和(自身を除く): 818019710

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 97, 158, 170, 194, 395, 485, 659, 790, 970, 1318, 1343, 1649, 2686, 3295, 3298, 6590, 6715, 7663, 8245, 11203, 13430, 15326, 16490, 22406, 38315, 52061, 56015, 63923, 76630, 104122, 112030, 127846, 130271, 260305, 260542, 319615, 520610, 639230, 651355, 885037, 1086691, 1302710, 1770074, 2173382, 4425185, 5049917, 5433455, 8850370, 10099834, 10866910, 25249585, 50499170, 85848589, 171697178, 429242945, 858485890]

約数ペア:

[(1, 858485890), (2, 429242945), (5, 171697178), (10, 85848589), (17, 50499170), (34, 25249585), (79, 10866910), (85, 10099834), (97, 8850370), (158, 5433455), (170, 5049917), (194, 4425185), (395, 2173382), (485, 1770074), (659, 1302710), (790, 1086691), (970, 885037), (1318, 651355), (1343, 639230), (1649, 520610), (2686, 319615), (3295, 260542), (3298, 260305), (6590, 130271), (6715, 127846), (7663, 112030), (8245, 104122), (11203, 76630), (13430, 63923), (15326, 56015), (16490, 52061), (22406, 38315)]