289402020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55441}}^1$

素因数の和:55485

約数の個数: 72

約数和(自身を含む): 908139960

約数和(自身を除く): 618737940

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, 55441, 110882, 166323, 221764, 277205, 332646, 498969, 554410, 665292, 831615, 997938, 1108820, 1607789, 1663230, 1995876, 2494845, 3215578, 3326460, 4823367, 4989690, 6431156, 8038945, 9646734, 9979380, 14470101, 16077890, 19293468, 24116835, 28940202, 32155780, 48233670, 57880404, 72350505, 96467340, 144701010, 289402020]

約数ペア:

[(1, 289402020), (2, 144701010), (3, 96467340), (4, 72350505), (5, 57880404), (6, 48233670), (9, 32155780), (10, 28940202), (12, 24116835), (15, 19293468), (18, 16077890), (20, 14470101), (29, 9979380), (30, 9646734), (36, 8038945), (45, 6431156), (58, 4989690), (60, 4823367), (87, 3326460), (90, 3215578), (116, 2494845), (145, 1995876), (174, 1663230), (180, 1607789), (261, 1108820), (290, 997938), (348, 831615), (435, 665292), (522, 554410), (580, 498969), (870, 332646), (1044, 277205), (1305, 221764), (1740, 166323), (2610, 110882), (5220, 55441)]