181837340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1319}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 391849920

約数和(自身を除く): 210012580

約数列:

[1, 2, 4, 5, 10, 20, 61, 113, 122, 226, 244, 305, 452, 565, 610, 1130, 1220, 1319, 2260, 2638, 5276, 6595, 6893, 13190, 13786, 26380, 27572, 34465, 68930, 80459, 137860, 149047, 160918, 298094, 321836, 402295, 596188, 745235, 804590, 1490470, 1609180, 2980940, 9091867, 18183734, 36367468, 45459335, 90918670, 181837340]

約数ペア:

[(1, 181837340), (2, 90918670), (4, 45459335), (5, 36367468), (10, 18183734), (20, 9091867), (61, 2980940), (113, 1609180), (122, 1490470), (226, 804590), (244, 745235), (305, 596188), (452, 402295), (565, 321836), (610, 298094), (1130, 160918), (1220, 149047), (1319, 137860), (2260, 80459), (2638, 68930), (5276, 34465), (6595, 27572), (6893, 26380), (13190, 13786)]