628614620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{3163}}^1$

素因数の和:3714

約数の個数: 48

約数和(自身を含む): 1392666240

約数和(自身を除く): 764051620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 523, 1046, 2092, 2615, 3163, 5230, 6326, 9937, 10460, 12652, 15815, 19874, 31630, 39748, 49685, 60097, 63260, 99370, 120194, 198740, 240388, 300485, 600970, 1201940, 1654249, 3308498, 6616996, 8271245, 16542490, 31430731, 33084980, 62861462, 125722924, 157153655, 314307310, 628614620]

約数ペア:

[(1, 628614620), (2, 314307310), (4, 157153655), (5, 125722924), (10, 62861462), (19, 33084980), (20, 31430731), (38, 16542490), (76, 8271245), (95, 6616996), (190, 3308498), (380, 1654249), (523, 1201940), (1046, 600970), (2092, 300485), (2615, 240388), (3163, 198740), (5230, 120194), (6326, 99370), (9937, 63260), (10460, 60097), (12652, 49685), (15815, 39748), (19874, 31630)]