77234980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 90415580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 719, 820, 1310, 1438, 2620, 2876, 3595, 5371, 7190, 10742, 14380, 21484, 26855, 29479, 53710, 58958, 94189, 107420, 117916, 147395, 188378, 294790, 376756, 470945, 589580, 941890, 1883780, 3861749, 7723498, 15446996, 19308745, 38617490, 77234980]

約数ペア:

[(1, 77234980), (2, 38617490), (4, 19308745), (5, 15446996), (10, 7723498), (20, 3861749), (41, 1883780), (82, 941890), (131, 589580), (164, 470945), (205, 376756), (262, 294790), (410, 188378), (524, 147395), (655, 117916), (719, 107420), (820, 94189), (1310, 58958), (1438, 53710), (2620, 29479), (2876, 26855), (3595, 21484), (5371, 14380), (7190, 10742)]