51222220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2423}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 123798528

約数和(自身を除く): 72576308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 2423, 3020, 4228, 4846, 5285, 9692, 10570, 12115, 16961, 21140, 24230, 33922, 48460, 67844, 84805, 169610, 339220, 365873, 731746, 1463492, 1829365, 2561111, 3658730, 5122222, 7317460, 10244444, 12805555, 25611110, 51222220]

約数ペア:

[(1, 51222220), (2, 25611110), (4, 12805555), (5, 10244444), (7, 7317460), (10, 5122222), (14, 3658730), (20, 2561111), (28, 1829365), (35, 1463492), (70, 731746), (140, 365873), (151, 339220), (302, 169610), (604, 84805), (755, 67844), (1057, 48460), (1510, 33922), (2114, 24230), (2423, 21140), (3020, 16961), (4228, 12115), (4846, 10570), (5285, 9692)]