8902270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 18200448

約数和(自身を除く): 9298178

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 235, 310, 403, 470, 611, 806, 1222, 1457, 2015, 2209, 2914, 3055, 4030, 4418, 6110, 7285, 11045, 14570, 18941, 22090, 28717, 37882, 57434, 68479, 94705, 136958, 143585, 189410, 287170, 342395, 684790, 890227, 1780454, 4451135, 8902270]

約数ペア:

[(1, 8902270), (2, 4451135), (5, 1780454), (10, 890227), (13, 684790), (26, 342395), (31, 287170), (47, 189410), (62, 143585), (65, 136958), (94, 94705), (130, 68479), (155, 57434), (235, 37882), (310, 28717), (403, 22090), (470, 18941), (611, 14570), (806, 11045), (1222, 7285), (1457, 6110), (2015, 4418), (2209, 4030), (2914, 3055)]