858672620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{9463}}^1$

素因数の和:9834

約数の個数: 48

約数和(自身を含む): 1947691200

約数和(自身を除く): 1089018580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1396, 1745, 3490, 4537, 6980, 9074, 9463, 18148, 18926, 22685, 37852, 45370, 47315, 90740, 94630, 123019, 189260, 246038, 492076, 615095, 1230190, 2460380, 3302587, 6605174, 13210348, 16512935, 33025870, 42933631, 66051740, 85867262, 171734524, 214668155, 429336310, 858672620]

約数ペア:

[(1, 858672620), (2, 429336310), (4, 214668155), (5, 171734524), (10, 85867262), (13, 66051740), (20, 42933631), (26, 33025870), (52, 16512935), (65, 13210348), (130, 6605174), (260, 3302587), (349, 2460380), (698, 1230190), (1396, 615095), (1745, 492076), (3490, 246038), (4537, 189260), (6980, 123019), (9074, 94630), (9463, 90740), (18148, 47315), (18926, 45370), (22685, 37852)]