210880445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 275097600

約数和(自身を除く): 64217155

約数列:

[1, 5, 23, 31, 115, 149, 155, 397, 713, 745, 1985, 3427, 3565, 4619, 9131, 12307, 17135, 23095, 45655, 59153, 61535, 106237, 283061, 295765, 531185, 1360519, 1415305, 1833743, 6802595, 9168715, 42176089, 210880445]

約数ペア:

[(1, 210880445), (5, 42176089), (23, 9168715), (31, 6802595), (115, 1833743), (149, 1415305), (155, 1360519), (397, 531185), (713, 295765), (745, 283061), (1985, 106237), (3427, 61535), (3565, 59153), (4619, 45655), (9131, 23095), (12307, 17135)]