317156980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{3049}}^1$

素因数の和:3808

約数の個数: 48

約数和(自身を含む): 762451200

約数和(自身を除く): 445294220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 743, 1486, 2972, 3049, 3715, 5201, 6098, 7430, 10402, 12196, 14860, 15245, 20804, 21343, 26005, 30490, 42686, 52010, 60980, 85372, 104020, 106715, 213430, 426860, 2265407, 4530814, 9061628, 11327035, 15857849, 22654070, 31715698, 45308140, 63431396, 79289245, 158578490, 317156980]

約数ペア:

[(1, 317156980), (2, 158578490), (4, 79289245), (5, 63431396), (7, 45308140), (10, 31715698), (14, 22654070), (20, 15857849), (28, 11327035), (35, 9061628), (70, 4530814), (140, 2265407), (743, 426860), (1486, 213430), (2972, 106715), (3049, 104020), (3715, 85372), (5201, 60980), (6098, 52010), (7430, 42686), (10402, 30490), (12196, 26005), (14860, 21343), (15245, 20804)]