129498320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3348

約数の個数: 80

約数和(自身を含む): 349049088

約数和(自身を除く): 219550768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3257, 3976, 4970, 5680, 6514, 7952, 9940, 13028, 16285, 19880, 22799, 26056, 32570, 39760, 45598, 52112, 65140, 91196, 113995, 130280, 182392, 227990, 231247, 260560, 364784, 455980, 462494, 911960, 924988, 1156235, 1618729, 1823920, 1849976, 2312470, 3237458, 3699952, 4624940, 6474916, 8093645, 9249880, 12949832, 16187290, 18499760, 25899664, 32374580, 64749160, 129498320]

約数ペア:

[(1, 129498320), (2, 64749160), (4, 32374580), (5, 25899664), (7, 18499760), (8, 16187290), (10, 12949832), (14, 9249880), (16, 8093645), (20, 6474916), (28, 4624940), (35, 3699952), (40, 3237458), (56, 2312470), (70, 1849976), (71, 1823920), (80, 1618729), (112, 1156235), (140, 924988), (142, 911960), (280, 462494), (284, 455980), (355, 364784), (497, 260560), (560, 231247), (568, 227990), (710, 182392), (994, 130280), (1136, 113995), (1420, 91196), (1988, 65140), (2485, 52112), (2840, 45598), (3257, 39760), (3976, 32570), (4970, 26056), (5680, 22799), (6514, 19880), (7952, 16285), (9940, 13028)]