686417620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{3571}}^1$

素因数の和:4960

約数の個数: 48

約数和(自身を含む): 1649063808

約数和(自身を除く): 962646188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1373, 2746, 3571, 5492, 6865, 7142, 9611, 13730, 14284, 17855, 19222, 24997, 27460, 35710, 38444, 48055, 49994, 71420, 96110, 99988, 124985, 192220, 249970, 499940, 4902983, 9805966, 19611932, 24514915, 34320881, 49029830, 68641762, 98059660, 137283524, 171604405, 343208810, 686417620]

約数ペア:

[(1, 686417620), (2, 343208810), (4, 171604405), (5, 137283524), (7, 98059660), (10, 68641762), (14, 49029830), (20, 34320881), (28, 24514915), (35, 19611932), (70, 9805966), (140, 4902983), (1373, 499940), (2746, 249970), (3571, 192220), (5492, 124985), (6865, 99988), (7142, 96110), (9611, 71420), (13730, 49994), (14284, 48055), (17855, 38444), (19222, 35710), (24997, 27460)]