4398980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 9846144

約数和(自身を除く): 5447164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 131, 146, 230, 262, 292, 365, 460, 524, 655, 730, 1310, 1460, 1679, 2620, 3013, 3358, 6026, 6716, 8395, 9563, 12052, 15065, 16790, 19126, 30130, 33580, 38252, 47815, 60260, 95630, 191260, 219949, 439898, 879796, 1099745, 2199490, 4398980]

約数ペア:

[(1, 4398980), (2, 2199490), (4, 1099745), (5, 879796), (10, 439898), (20, 219949), (23, 191260), (46, 95630), (73, 60260), (92, 47815), (115, 38252), (131, 33580), (146, 30130), (230, 19126), (262, 16790), (292, 15065), (365, 12052), (460, 9563), (524, 8395), (655, 6716), (730, 6026), (1310, 3358), (1460, 3013), (1679, 2620)]