90709940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{3313}}^1$

素因数の和:3396

約数の個数: 36

約数和(自身を含む): 195837516

約数和(自身を除く): 105127576

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 3313, 5476, 6626, 6845, 13252, 13690, 16565, 27380, 33130, 66260, 122581, 245162, 490324, 612905, 1225810, 2451620, 4535497, 9070994, 18141988, 22677485, 45354970, 90709940]

約数ペア:

[(1, 90709940), (2, 45354970), (4, 22677485), (5, 18141988), (10, 9070994), (20, 4535497), (37, 2451620), (74, 1225810), (148, 612905), (185, 490324), (370, 245162), (740, 122581), (1369, 66260), (2738, 33130), (3313, 27380), (5476, 16565), (6626, 13690), (6845, 13252)]