159603980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 345885120

約数和(自身を除く): 186281140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 151, 164, 205, 302, 410, 604, 755, 820, 1289, 1510, 2578, 3020, 5156, 6191, 6445, 12382, 12890, 24764, 25780, 30955, 52849, 61910, 105698, 123820, 194639, 211396, 264245, 389278, 528490, 778556, 973195, 1056980, 1946390, 3892780, 7980199, 15960398, 31920796, 39900995, 79801990, 159603980]

約数ペア:

[(1, 159603980), (2, 79801990), (4, 39900995), (5, 31920796), (10, 15960398), (20, 7980199), (41, 3892780), (82, 1946390), (151, 1056980), (164, 973195), (205, 778556), (302, 528490), (410, 389278), (604, 264245), (755, 211396), (820, 194639), (1289, 123820), (1510, 105698), (2578, 61910), (3020, 52849), (5156, 30955), (6191, 25780), (6445, 24764), (12382, 12890)]