208210140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{39887}}^1$

素因数の和:39931

約数の個数: 72

約数和(自身を含む): 653365440

約数和(自身を除く): 445155300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 39887, 79774, 119661, 159548, 199435, 239322, 358983, 398870, 478644, 598305, 717966, 797740, 1156723, 1196610, 1435932, 1794915, 2313446, 2393220, 3470169, 3589830, 4626892, 5783615, 6940338, 7179660, 10410507, 11567230, 13880676, 17350845, 20821014, 23134460, 34701690, 41642028, 52052535, 69403380, 104105070, 208210140]

約数ペア:

[(1, 208210140), (2, 104105070), (3, 69403380), (4, 52052535), (5, 41642028), (6, 34701690), (9, 23134460), (10, 20821014), (12, 17350845), (15, 13880676), (18, 11567230), (20, 10410507), (29, 7179660), (30, 6940338), (36, 5783615), (45, 4626892), (58, 3589830), (60, 3470169), (87, 2393220), (90, 2313446), (116, 1794915), (145, 1435932), (174, 1196610), (180, 1156723), (261, 797740), (290, 717966), (348, 598305), (435, 478644), (522, 398870), (580, 358983), (870, 239322), (1044, 199435), (1305, 159548), (1740, 119661), (2610, 79774), (5220, 39887)]