274698920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{403969}}^1$

素因数の和:403997

約数の個数: 32

約数和(自身を含む): 654431400

約数和(自身を除く): 379732480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 403969, 807938, 1615876, 2019845, 3231752, 4039690, 6867473, 8079380, 13734946, 16158760, 27469892, 34337365, 54939784, 68674730, 137349460, 274698920]

約数ペア:

[(1, 274698920), (2, 137349460), (4, 68674730), (5, 54939784), (8, 34337365), (10, 27469892), (17, 16158760), (20, 13734946), (34, 8079380), (40, 6867473), (68, 4039690), (85, 3231752), (136, 2019845), (170, 1615876), (340, 807938), (680, 403969)]