415321880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1091}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 968647680

約数和(自身を除く): 553325800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 307, 310, 614, 620, 1091, 1228, 1240, 1535, 2182, 2456, 3070, 4364, 5455, 6140, 8728, 9517, 10910, 12280, 19034, 21820, 33821, 38068, 43640, 47585, 67642, 76136, 95170, 135284, 169105, 190340, 270568, 334937, 338210, 380680, 669874, 676420, 1339748, 1352840, 1674685, 2679496, 3349370, 6698740, 10383047, 13397480, 20766094, 41532188, 51915235, 83064376, 103830470, 207660940, 415321880]

約数ペア:

[(1, 415321880), (2, 207660940), (4, 103830470), (5, 83064376), (8, 51915235), (10, 41532188), (20, 20766094), (31, 13397480), (40, 10383047), (62, 6698740), (124, 3349370), (155, 2679496), (248, 1674685), (307, 1352840), (310, 1339748), (614, 676420), (620, 669874), (1091, 380680), (1228, 338210), (1240, 334937), (1535, 270568), (2182, 190340), (2456, 169105), (3070, 135284), (4364, 95170), (5455, 76136), (6140, 67642), (8728, 47585), (9517, 43640), (10910, 38068), (12280, 33821), (19034, 21820)]