840100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 1888768

約数和(自身を除く): 1048668

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 271, 310, 542, 620, 775, 1084, 1355, 1550, 2710, 3100, 5420, 6775, 8401, 13550, 16802, 27100, 33604, 42005, 84010, 168020, 210025, 420050, 840100]

約数ペア:

[(1, 840100), (2, 420050), (4, 210025), (5, 168020), (10, 84010), (20, 42005), (25, 33604), (31, 27100), (50, 16802), (62, 13550), (100, 8401), (124, 6775), (155, 5420), (271, 3100), (310, 2710), (542, 1550), (620, 1355), (775, 1084)]