68903540

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{7673}}^1$

素因数の和:8131

約数の個数: 24

約数和(自身を含む): 145038600

約数和(自身を除く): 76135060

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 7673, 8980, 15346, 30692, 38365, 76730, 153460, 3445177, 6890354, 13780708, 17225885, 34451770, 68903540]

約数ペア:

[(1, 68903540), (2, 34451770), (4, 17225885), (5, 13780708), (10, 6890354), (20, 3445177), (449, 153460), (898, 76730), (1796, 38365), (2245, 30692), (4490, 15346), (7673, 8980)]