217868980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{6679}}^1$

素因数の和:6928

約数の個数: 48

約数和(自身を含む): 525208320

約数和(自身を除く): 307339340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2330, 3262, 4660, 6524, 6679, 8155, 13358, 16310, 26716, 32620, 33395, 46753, 66790, 93506, 133580, 187012, 233765, 467530, 935060, 1556207, 3112414, 6224828, 7781035, 10893449, 15562070, 21786898, 31124140, 43573796, 54467245, 108934490, 217868980]

約数ペア:

[(1, 217868980), (2, 108934490), (4, 54467245), (5, 43573796), (7, 31124140), (10, 21786898), (14, 15562070), (20, 10893449), (28, 7781035), (35, 6224828), (70, 3112414), (140, 1556207), (233, 935060), (466, 467530), (932, 233765), (1165, 187012), (1631, 133580), (2330, 93506), (3262, 66790), (4660, 46753), (6524, 33395), (6679, 32620), (8155, 26716), (13358, 16310)]