1776740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 60

約数和(自身を含む): 4470396

約数和(自身を除く): 2693656

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 343, 370, 490, 518, 686, 740, 980, 1036, 1295, 1372, 1715, 1813, 2401, 2590, 3430, 3626, 4802, 5180, 6860, 7252, 9065, 9604, 12005, 12691, 18130, 24010, 25382, 36260, 48020, 50764, 63455, 88837, 126910, 177674, 253820, 355348, 444185, 888370, 1776740]

約数ペア:

[(1, 1776740), (2, 888370), (4, 444185), (5, 355348), (7, 253820), (10, 177674), (14, 126910), (20, 88837), (28, 63455), (35, 50764), (37, 48020), (49, 36260), (70, 25382), (74, 24010), (98, 18130), (140, 12691), (148, 12005), (185, 9604), (196, 9065), (245, 7252), (259, 6860), (343, 5180), (370, 4802), (490, 3626), (518, 3430), (686, 2590), (740, 2401), (980, 1813), (1036, 1715), (1295, 1372)]