65705420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 159759600

約数和(自身を除く): 94054180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1429, 2090, 2299, 2420, 2858, 4180, 4598, 5716, 7145, 9196, 11495, 14290, 15719, 22990, 27151, 28580, 31438, 45980, 54302, 62876, 78595, 108604, 135755, 157190, 172909, 271510, 298661, 314380, 345818, 543020, 597322, 691636, 864545, 1194644, 1493305, 1729090, 2986610, 3285271, 3458180, 5973220, 6570542, 13141084, 16426355, 32852710, 65705420]

約数ペア:

[(1, 65705420), (2, 32852710), (4, 16426355), (5, 13141084), (10, 6570542), (11, 5973220), (19, 3458180), (20, 3285271), (22, 2986610), (38, 1729090), (44, 1493305), (55, 1194644), (76, 864545), (95, 691636), (110, 597322), (121, 543020), (190, 345818), (209, 314380), (220, 298661), (242, 271510), (380, 172909), (418, 157190), (484, 135755), (605, 108604), (836, 78595), (1045, 62876), (1210, 54302), (1429, 45980), (2090, 31438), (2299, 28580), (2420, 27151), (2858, 22990), (4180, 15719), (4598, 14290), (5716, 11495), (7145, 9196)]