28853420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 64810368

約数和(自身を除く): 35956948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 751, 1130, 1502, 1921, 2260, 3004, 3755, 3842, 7510, 7684, 9605, 12767, 15020, 19210, 25534, 38420, 51068, 63835, 84863, 127670, 169726, 255340, 339452, 424315, 848630, 1442671, 1697260, 2885342, 5770684, 7213355, 14426710, 28853420]

約数ペア:

[(1, 28853420), (2, 14426710), (4, 7213355), (5, 5770684), (10, 2885342), (17, 1697260), (20, 1442671), (34, 848630), (68, 424315), (85, 339452), (113, 255340), (170, 169726), (226, 127670), (340, 84863), (452, 63835), (565, 51068), (751, 38420), (1130, 25534), (1502, 19210), (1921, 15020), (2260, 12767), (3004, 9605), (3755, 7684), (3842, 7510)]