1445778940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1\times {\mathrm{2557}}^1$

素因数の和:4246

約数の個数: 48

約数和(自身を含む): 3217923072

約数和(自身を除く): 1772144132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1663, 2557, 3326, 5114, 6652, 8315, 10228, 12785, 16630, 25570, 28271, 33260, 43469, 51140, 56542, 86938, 113084, 141355, 173876, 217345, 282710, 434690, 565420, 869380, 4252291, 8504582, 17009164, 21261455, 42522910, 72288947, 85045820, 144577894, 289155788, 361444735, 722889470, 1445778940]

約数ペア:

[(1, 1445778940), (2, 722889470), (4, 361444735), (5, 289155788), (10, 144577894), (17, 85045820), (20, 72288947), (34, 42522910), (68, 21261455), (85, 17009164), (170, 8504582), (340, 4252291), (1663, 869380), (2557, 565420), (3326, 434690), (5114, 282710), (6652, 217345), (8315, 173876), (10228, 141355), (12785, 113084), (16630, 86938), (25570, 56542), (28271, 51140), (33260, 43469)]