317431380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{755789}}^1$

素因数の和:755808

約数の個数: 48

約数和(自身を含む): 1015781760

約数和(自身を除く): 698350380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 755789, 1511578, 2267367, 3023156, 3778945, 4534734, 5290523, 7557890, 9069468, 10581046, 11336835, 15115780, 15871569, 21162092, 22673670, 26452615, 31743138, 45347340, 52905230, 63486276, 79357845, 105810460, 158715690, 317431380]

約数ペア:

[(1, 317431380), (2, 158715690), (3, 105810460), (4, 79357845), (5, 63486276), (6, 52905230), (7, 45347340), (10, 31743138), (12, 26452615), (14, 22673670), (15, 21162092), (20, 15871569), (21, 15115780), (28, 11336835), (30, 10581046), (35, 9069468), (42, 7557890), (60, 5290523), (70, 4534734), (84, 3778945), (105, 3023156), (140, 2267367), (210, 1511578), (420, 755789)]