268396760920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{394701119}}^1$

素因数の和:394701147

約数の個数: 32

約数和(自身を含む): 639415814400

約数和(自身を除く): 371019053480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 394701119, 789402238, 1578804476, 1973505595, 3157608952, 3947011190, 6709919023, 7894022380, 13419838046, 15788044760, 26839676092, 33549595115, 53679352184, 67099190230, 134198380460, 268396760920]

約数ペア:

[(1, 268396760920), (2, 134198380460), (4, 67099190230), (5, 53679352184), (8, 33549595115), (10, 26839676092), (17, 15788044760), (20, 13419838046), (34, 7894022380), (40, 6709919023), (68, 3947011190), (85, 3157608952), (136, 1973505595), (170, 1578804476), (340, 789402238), (680, 394701119)]