31896340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1663}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 77156352

約数和(自身を除く): 45260012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1663, 1918, 2740, 3326, 3836, 4795, 6652, 8315, 9590, 11641, 16630, 19180, 23282, 33260, 46564, 58205, 116410, 227831, 232820, 455662, 911324, 1139155, 1594817, 2278310, 3189634, 4556620, 6379268, 7974085, 15948170, 31896340]

約数ペア:

[(1, 31896340), (2, 15948170), (4, 7974085), (5, 6379268), (7, 4556620), (10, 3189634), (14, 2278310), (20, 1594817), (28, 1139155), (35, 911324), (70, 455662), (137, 232820), (140, 227831), (274, 116410), (548, 58205), (685, 46564), (959, 33260), (1370, 23282), (1663, 19180), (1918, 16630), (2740, 11641), (3326, 9590), (3836, 8315), (4795, 6652)]