2781964377220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{32416271}}^1$

素因数の和:32416900

約数の個数: 48

約数和(自身を含む): 6687606578688

約数和(自身を除く): 3905642201468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613, 1226, 2452, 3065, 4291, 6130, 8582, 12260, 17164, 21455, 42910, 85820, 32416271, 64832542, 129665084, 162081355, 226913897, 324162710, 453827794, 648325420, 907655588, 1134569485, 2269138970, 4538277940, 19871174123, 39742348246, 79484696492, 99355870615, 139098218861, 198711741230, 278196437722, 397423482460, 556392875444, 695491094305, 1390982188610, 2781964377220]

約数ペア:

[(1, 2781964377220), (2, 1390982188610), (4, 695491094305), (5, 556392875444), (7, 397423482460), (10, 278196437722), (14, 198711741230), (20, 139098218861), (28, 99355870615), (35, 79484696492), (70, 39742348246), (140, 19871174123), (613, 4538277940), (1226, 2269138970), (2452, 1134569485), (3065, 907655588), (4291, 648325420), (6130, 453827794), (8582, 324162710), (12260, 226913897), (17164, 162081355), (21455, 129665084), (42910, 64832542), (85820, 32416271)]