308943820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15619}}^1$

素因数の和:15694

約数の個数: 48

約数和(自身を含む): 692778240

約数和(自身を除く): 383834420

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 15619, 19780, 31238, 62476, 78095, 156190, 312380, 359237, 671617, 718474, 1343234, 1436948, 1796185, 2686468, 3358085, 3592370, 6716170, 7184740, 13432340, 15447191, 30894382, 61788764, 77235955, 154471910, 308943820]

約数ペア:

[(1, 308943820), (2, 154471910), (4, 77235955), (5, 61788764), (10, 30894382), (20, 15447191), (23, 13432340), (43, 7184740), (46, 6716170), (86, 3592370), (92, 3358085), (115, 2686468), (172, 1796185), (215, 1436948), (230, 1343234), (430, 718474), (460, 671617), (860, 359237), (989, 312380), (1978, 156190), (3956, 78095), (4945, 62476), (9890, 31238), (15619, 19780)]