30385460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{751}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 77570304

約数和(自身を除く): 47184844

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 751, 1156, 1190, 1445, 1502, 2023, 2380, 2890, 3004, 3755, 4046, 5257, 5780, 7510, 8092, 10115, 10514, 12767, 15020, 20230, 21028, 25534, 26285, 40460, 51068, 52570, 63835, 89369, 105140, 127670, 178738, 217039, 255340, 357476, 434078, 446845, 868156, 893690, 1085195, 1519273, 1787380, 2170390, 3038546, 4340780, 6077092, 7596365, 15192730, 30385460]

約数ペア:

[(1, 30385460), (2, 15192730), (4, 7596365), (5, 6077092), (7, 4340780), (10, 3038546), (14, 2170390), (17, 1787380), (20, 1519273), (28, 1085195), (34, 893690), (35, 868156), (68, 446845), (70, 434078), (85, 357476), (119, 255340), (140, 217039), (170, 178738), (238, 127670), (289, 105140), (340, 89369), (476, 63835), (578, 52570), (595, 51068), (751, 40460), (1156, 26285), (1190, 25534), (1445, 21028), (1502, 20230), (2023, 15020), (2380, 12767), (2890, 10514), (3004, 10115), (3755, 8092), (4046, 7510), (5257, 5780)]