3999970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 8028720

約数和(自身を除く): 4028750

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1061, 1885, 2122, 3770, 5305, 10610, 13793, 27586, 30769, 61538, 68965, 137930, 153845, 307690, 399997, 799994, 1999985, 3999970]

約数ペア:

[(1, 3999970), (2, 1999985), (5, 799994), (10, 399997), (13, 307690), (26, 153845), (29, 137930), (58, 68965), (65, 61538), (130, 30769), (145, 27586), (290, 13793), (377, 10610), (754, 5305), (1061, 3770), (1885, 2122)]