906990

素因数分解:

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

素因数の和:641

約数の個数: 48

約数和(自身を含む): 2536272

約数和(自身を除く): 1629282

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 617, 735, 1234, 1470, 1851, 3085, 3702, 4319, 6170, 8638, 9255, 12957, 18510, 21595, 25914, 30233, 43190, 60466, 64785, 90699, 129570, 151165, 181398, 302330, 453495, 906990]

約数ペア:

[(1, 906990), (2, 453495), (3, 302330), (5, 181398), (6, 151165), (7, 129570), (10, 90699), (14, 64785), (15, 60466), (21, 43190), (30, 30233), (35, 25914), (42, 21595), (49, 18510), (70, 12957), (98, 9255), (105, 8638), (147, 6170), (210, 4319), (245, 3702), (294, 3085), (490, 1851), (617, 1470), (735, 1234)]