161872900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3349

約数の個数: 72

約数和(自身を含む): 407223936

約数和(自身を除く): 245351036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1775, 1988, 2485, 3257, 3550, 4970, 6514, 7100, 9940, 12425, 13028, 16285, 22799, 24850, 32570, 45598, 49700, 65140, 81425, 91196, 113995, 162850, 227990, 231247, 325700, 455980, 462494, 569975, 924988, 1139950, 1156235, 1618729, 2279900, 2312470, 3237458, 4624940, 5781175, 6474916, 8093645, 11562350, 16187290, 23124700, 32374580, 40468225, 80936450, 161872900]

約数ペア:

[(1, 161872900), (2, 80936450), (4, 40468225), (5, 32374580), (7, 23124700), (10, 16187290), (14, 11562350), (20, 8093645), (25, 6474916), (28, 5781175), (35, 4624940), (50, 3237458), (70, 2312470), (71, 2279900), (100, 1618729), (140, 1156235), (142, 1139950), (175, 924988), (284, 569975), (350, 462494), (355, 455980), (497, 325700), (700, 231247), (710, 227990), (994, 162850), (1420, 113995), (1775, 91196), (1988, 81425), (2485, 65140), (3257, 49700), (3550, 45598), (4970, 32570), (6514, 24850), (7100, 22799), (9940, 16285), (12425, 13028)]