311934640

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17027}}^1$

素因数の和:17269

約数の個数: 40

約数和(自身を含む): 728457840

約数和(自身を除く): 416523200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 17027, 18320, 34054, 68108, 85135, 136216, 170270, 272432, 340540, 681080, 1362160, 3899183, 7798366, 15596732, 19495915, 31193464, 38991830, 62386928, 77983660, 155967320, 311934640]

約数ペア:

[(1, 311934640), (2, 155967320), (4, 77983660), (5, 62386928), (8, 38991830), (10, 31193464), (16, 19495915), (20, 15596732), (40, 7798366), (80, 3899183), (229, 1362160), (458, 681080), (916, 340540), (1145, 272432), (1832, 170270), (2290, 136216), (3664, 85135), (4580, 68108), (9160, 34054), (17027, 18320)]