31485930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21419}}^1$

素因数の和:21443

約数の個数: 48

約数和(自身を含む): 87907680

約数和(自身を除く): 56421750

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, 735, 1470, 21419, 42838, 64257, 107095, 128514, 149933, 214190, 299866, 321285, 449799, 642570, 749665, 899598, 1049531, 1499330, 2099062, 2248995, 3148593, 4497990, 5247655, 6297186, 10495310, 15742965, 31485930]

約数ペア:

[(1, 31485930), (2, 15742965), (3, 10495310), (5, 6297186), (6, 5247655), (7, 4497990), (10, 3148593), (14, 2248995), (15, 2099062), (21, 1499330), (30, 1049531), (35, 899598), (42, 749665), (49, 642570), (70, 449799), (98, 321285), (105, 299866), (147, 214190), (210, 149933), (245, 128514), (294, 107095), (490, 64257), (735, 42838), (1470, 21419)]