749003920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1337507}}^1$

素因数の和:1337527

約数の個数: 40

約数和(自身を含む): 1990211904

約数和(自身を除く): 1241207984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1337507, 2675014, 5350028, 6687535, 9362549, 10700056, 13375070, 18725098, 21400112, 26750140, 37450196, 46812745, 53500280, 74900392, 93625490, 107000560, 149800784, 187250980, 374501960, 749003920]

約数ペア:

[(1, 749003920), (2, 374501960), (4, 187250980), (5, 149800784), (7, 107000560), (8, 93625490), (10, 74900392), (14, 53500280), (16, 46812745), (20, 37450196), (28, 26750140), (35, 21400112), (40, 18725098), (56, 13375070), (70, 10700056), (80, 9362549), (112, 6687535), (140, 5350028), (280, 2675014), (560, 1337507)]