242808020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1617

約数の個数: 96

約数和(自身を含む): 635040000

約数和(自身を除く): 392231980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 178, 182, 260, 356, 364, 445, 455, 623, 890, 910, 1157, 1246, 1499, 1780, 1820, 2314, 2492, 2998, 3115, 4628, 5785, 5996, 6230, 7495, 8099, 10493, 11570, 12460, 14990, 16198, 19487, 20986, 23140, 29980, 32396, 38974, 40495, 41972, 52465, 77948, 80990, 97435, 104930, 133411, 136409, 161980, 194870, 209860, 266822, 272818, 389740, 533644, 545636, 667055, 682045, 933877, 1334110, 1364090, 1734343, 1867754, 2668220, 2728180, 3468686, 3735508, 4669385, 6937372, 8671715, 9338770, 12140401, 17343430, 18677540, 24280802, 34686860, 48561604, 60702005, 121404010, 242808020]

約数ペア:

[(1, 242808020), (2, 121404010), (4, 60702005), (5, 48561604), (7, 34686860), (10, 24280802), (13, 18677540), (14, 17343430), (20, 12140401), (26, 9338770), (28, 8671715), (35, 6937372), (52, 4669385), (65, 3735508), (70, 3468686), (89, 2728180), (91, 2668220), (130, 1867754), (140, 1734343), (178, 1364090), (182, 1334110), (260, 933877), (356, 682045), (364, 667055), (445, 545636), (455, 533644), (623, 389740), (890, 272818), (910, 266822), (1157, 209860), (1246, 194870), (1499, 161980), (1780, 136409), (1820, 133411), (2314, 104930), (2492, 97435), (2998, 80990), (3115, 77948), (4628, 52465), (5785, 41972), (5996, 40495), (6230, 38974), (7495, 32396), (8099, 29980), (10493, 23140), (11570, 20986), (12460, 19487), (14990, 16198)]