7938490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 17618472

約数和(自身を除く): 9679982

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 953, 1190, 1666, 1906, 4165, 4765, 6671, 8330, 9530, 13342, 16201, 32402, 33355, 46697, 66710, 81005, 93394, 113407, 162010, 226814, 233485, 466970, 567035, 793849, 1134070, 1587698, 3969245, 7938490]

約数ペア:

[(1, 7938490), (2, 3969245), (5, 1587698), (7, 1134070), (10, 793849), (14, 567035), (17, 466970), (34, 233485), (35, 226814), (49, 162010), (70, 113407), (85, 93394), (98, 81005), (119, 66710), (170, 46697), (238, 33355), (245, 32402), (490, 16201), (595, 13342), (833, 9530), (953, 8330), (1190, 6671), (1666, 4765), (1906, 4165)]