218367340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{601}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 472709664

約数和(自身を除く): 254342324

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 491, 601, 740, 982, 1202, 1964, 2404, 2455, 3005, 4910, 6010, 9820, 12020, 18167, 22237, 36334, 44474, 72668, 88948, 90835, 111185, 181670, 222370, 295091, 363340, 444740, 590182, 1180364, 1475455, 2950910, 5901820, 10918367, 21836734, 43673468, 54591835, 109183670, 218367340]

約数ペア:

[(1, 218367340), (2, 109183670), (4, 54591835), (5, 43673468), (10, 21836734), (20, 10918367), (37, 5901820), (74, 2950910), (148, 1475455), (185, 1180364), (370, 590182), (491, 444740), (601, 363340), (740, 295091), (982, 222370), (1202, 181670), (1964, 111185), (2404, 90835), (2455, 88948), (3005, 72668), (4910, 44474), (6010, 36334), (9820, 22237), (12020, 18167)]