173820890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{5437}}^1$

素因数の和:5606

約数の個数: 32

約数和(自身を含む): 328890240

約数和(自身を除く): 155069350

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 5437, 6394, 10874, 15985, 27185, 31970, 54370, 125051, 250102, 625255, 755743, 1250510, 1511486, 3778715, 7557430, 17382089, 34764178, 86910445, 173820890]

約数ペア:

[(1, 173820890), (2, 86910445), (5, 34764178), (10, 17382089), (23, 7557430), (46, 3778715), (115, 1511486), (139, 1250510), (230, 755743), (278, 625255), (695, 250102), (1390, 125051), (3197, 54370), (5437, 31970), (6394, 27185), (10874, 15985)]