315839780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1607}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 687246336

約数和(自身を除く): 371406556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 620, 634, 1268, 1585, 1607, 3170, 3214, 6340, 6428, 8035, 9827, 16070, 19654, 32140, 39308, 49135, 49817, 98270, 99634, 196540, 199268, 249085, 498170, 509419, 996340, 1018838, 2037676, 2547095, 5094190, 10188380, 15791989, 31583978, 63167956, 78959945, 157919890, 315839780]

約数ペア:

[(1, 315839780), (2, 157919890), (4, 78959945), (5, 63167956), (10, 31583978), (20, 15791989), (31, 10188380), (62, 5094190), (124, 2547095), (155, 2037676), (310, 1018838), (317, 996340), (620, 509419), (634, 498170), (1268, 249085), (1585, 199268), (1607, 196540), (3170, 99634), (3214, 98270), (6340, 49817), (6428, 49135), (8035, 39308), (9827, 32140), (16070, 19654)]