402853480

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{30427}}^1$

素因数の和:30769

約数の個数: 32

約数和(自身を含む): 909188640

約数和(自身を除く): 506335160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 30427, 60854, 121708, 152135, 243416, 304270, 608540, 1217080, 10071337, 20142674, 40285348, 50356685, 80570696, 100713370, 201426740, 402853480]

約数ペア:

[(1, 402853480), (2, 201426740), (4, 100713370), (5, 80570696), (8, 50356685), (10, 40285348), (20, 20142674), (40, 10071337), (331, 1217080), (662, 608540), (1324, 304270), (1655, 243416), (2648, 152135), (3310, 121708), (6620, 60854), (13240, 30427)]