90985870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1717

約数の個数: 48

約数和(自身を含む): 183242160

約数和(自身を除く): 92256290

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 289, 323, 578, 646, 1445, 1615, 1657, 2890, 3230, 3314, 5491, 8285, 10982, 16570, 27455, 28169, 31483, 54910, 56338, 62966, 140845, 157415, 281690, 314830, 478873, 535211, 957746, 1070422, 2394365, 2676055, 4788730, 5352110, 9098587, 18197174, 45492935, 90985870]

約数ペア:

[(1, 90985870), (2, 45492935), (5, 18197174), (10, 9098587), (17, 5352110), (19, 4788730), (34, 2676055), (38, 2394365), (85, 1070422), (95, 957746), (170, 535211), (190, 478873), (289, 314830), (323, 281690), (578, 157415), (646, 140845), (1445, 62966), (1615, 56338), (1657, 54910), (2890, 31483), (3230, 28169), (3314, 27455), (5491, 16570), (8285, 10982)]