388710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{617}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 1156896

約数和(自身を除く): 768186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 617, 630, 1234, 1851, 3085, 3702, 4319, 5553, 6170, 8638, 9255, 11106, 12957, 18510, 21595, 25914, 27765, 38871, 43190, 55530, 64785, 77742, 129570, 194355, 388710]

約数ペア:

[(1, 388710), (2, 194355), (3, 129570), (5, 77742), (6, 64785), (7, 55530), (9, 43190), (10, 38871), (14, 27765), (15, 25914), (18, 21595), (21, 18510), (30, 12957), (35, 11106), (42, 9255), (45, 8638), (63, 6170), (70, 5553), (90, 4319), (105, 3702), (126, 3085), (210, 1851), (315, 1234), (617, 630)]