349818280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2243}}^1$

素因数の和:2818

約数の個数: 64

約数和(自身を含む): 901549440

約数和(自身を除く): 551731160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 557, 1114, 2228, 2243, 2785, 3899, 4456, 4486, 5570, 7798, 8972, 11140, 11215, 15596, 15701, 17944, 19495, 22280, 22430, 31192, 31402, 38990, 44860, 62804, 77980, 78505, 89720, 125608, 155960, 157010, 314020, 628040, 1249351, 2498702, 4997404, 6246755, 8745457, 9994808, 12493510, 17490914, 24987020, 34981828, 43727285, 49974040, 69963656, 87454570, 174909140, 349818280]

約数ペア:

[(1, 349818280), (2, 174909140), (4, 87454570), (5, 69963656), (7, 49974040), (8, 43727285), (10, 34981828), (14, 24987020), (20, 17490914), (28, 12493510), (35, 9994808), (40, 8745457), (56, 6246755), (70, 4997404), (140, 2498702), (280, 1249351), (557, 628040), (1114, 314020), (2228, 157010), (2243, 155960), (2785, 125608), (3899, 89720), (4456, 78505), (4486, 77980), (5570, 62804), (7798, 44860), (8972, 38990), (11140, 31402), (11215, 31192), (15596, 22430), (15701, 22280), (17944, 19495)]