406399970

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{104473}}^1$

素因数の和:104869

約数の個数: 16

約数和(自身を含む): 733407480

約数和(自身を除く): 327007510

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 104473, 208946, 522365, 1044730, 40639997, 81279994, 203199985, 406399970]

約数ペア:

[(1, 406399970), (2, 203199985), (5, 81279994), (10, 40639997), (389, 1044730), (778, 522365), (1945, 208946), (3890, 104473)]