4438840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 11612160

約数和(自身を除く): 7173320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 191, 280, 332, 382, 415, 581, 664, 764, 830, 955, 1162, 1337, 1528, 1660, 1910, 2324, 2674, 2905, 3320, 3820, 4648, 5348, 5810, 6685, 7640, 10696, 11620, 13370, 15853, 23240, 26740, 31706, 53480, 63412, 79265, 110971, 126824, 158530, 221942, 317060, 443884, 554855, 634120, 887768, 1109710, 2219420, 4438840]

約数ペア:

[(1, 4438840), (2, 2219420), (4, 1109710), (5, 887768), (7, 634120), (8, 554855), (10, 443884), (14, 317060), (20, 221942), (28, 158530), (35, 126824), (40, 110971), (56, 79265), (70, 63412), (83, 53480), (140, 31706), (166, 26740), (191, 23240), (280, 15853), (332, 13370), (382, 11620), (415, 10696), (581, 7640), (664, 6685), (764, 5810), (830, 5348), (955, 4648), (1162, 3820), (1337, 3320), (1528, 2905), (1660, 2674), (1910, 2324)]