280177070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1\times {\mathrm{1223}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 521717760

約数和(自身を除く): 241540690

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 739, 1223, 1478, 2446, 3695, 6115, 7390, 12230, 22909, 37913, 45818, 75826, 114545, 189565, 229090, 379130, 903797, 1807594, 4518985, 9037970, 28017707, 56035414, 140088535, 280177070]

約数ペア:

[(1, 280177070), (2, 140088535), (5, 56035414), (10, 28017707), (31, 9037970), (62, 4518985), (155, 1807594), (310, 903797), (739, 379130), (1223, 229090), (1478, 189565), (2446, 114545), (3695, 75826), (6115, 45818), (7390, 37913), (12230, 22909)]