15969820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 19410980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 233, 298, 460, 466, 596, 745, 932, 1165, 1490, 2330, 2980, 3427, 4660, 5359, 6854, 10718, 13708, 17135, 21436, 26795, 34270, 34717, 53590, 68540, 69434, 107180, 138868, 173585, 347170, 694340, 798491, 1596982, 3193964, 3992455, 7984910, 15969820]

約数ペア:

[(1, 15969820), (2, 7984910), (4, 3992455), (5, 3193964), (10, 1596982), (20, 798491), (23, 694340), (46, 347170), (92, 173585), (115, 138868), (149, 107180), (230, 69434), (233, 68540), (298, 53590), (460, 34717), (466, 34270), (596, 26795), (745, 21436), (932, 17135), (1165, 13708), (1490, 10718), (2330, 6854), (2980, 5359), (3427, 4660)]