281694140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22111}}^1$

素因数の和:22147

約数の個数: 72

約数和(自身を含む): 741105792

約数和(自身を除く): 459411652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 22111, 44222, 88444, 110555, 154777, 221110, 287443, 309554, 442220, 574886, 619108, 773885, 1083439, 1149772, 1437215, 1547770, 2012101, 2166878, 2874430, 3095540, 4024202, 4333756, 5417195, 5748860, 8048404, 10060505, 10834390, 14084707, 20121010, 21668780, 28169414, 40242020, 56338828, 70423535, 140847070, 281694140]

約数ペア:

[(1, 281694140), (2, 140847070), (4, 70423535), (5, 56338828), (7, 40242020), (10, 28169414), (13, 21668780), (14, 20121010), (20, 14084707), (26, 10834390), (28, 10060505), (35, 8048404), (49, 5748860), (52, 5417195), (65, 4333756), (70, 4024202), (91, 3095540), (98, 2874430), (130, 2166878), (140, 2012101), (182, 1547770), (196, 1437215), (245, 1149772), (260, 1083439), (364, 773885), (455, 619108), (490, 574886), (637, 442220), (910, 309554), (980, 287443), (1274, 221110), (1820, 154777), (2548, 110555), (3185, 88444), (6370, 44222), (12740, 22111)]