137996980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15299}}^1$

素因数の和:15360

約数の個数: 48

約数和(自身を含む): 323870400

約数和(自身を除く): 185873420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 15299, 30598, 61196, 76495, 152990, 168289, 305980, 336578, 627259, 673156, 841445, 1254518, 1682890, 2509036, 3136295, 3365780, 6272590, 6899849, 12545180, 13799698, 27599396, 34499245, 68998490, 137996980]

約数ペア:

[(1, 137996980), (2, 68998490), (4, 34499245), (5, 27599396), (10, 13799698), (11, 12545180), (20, 6899849), (22, 6272590), (41, 3365780), (44, 3136295), (55, 2509036), (82, 1682890), (110, 1254518), (164, 841445), (205, 673156), (220, 627259), (410, 336578), (451, 305980), (820, 168289), (902, 152990), (1804, 76495), (2255, 61196), (4510, 30598), (9020, 15299)]