28178380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 62447616

約数和(自身を除く): 34269236

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 967, 1457, 1934, 2914, 3868, 4835, 5828, 7285, 9670, 14570, 19340, 29140, 29977, 45449, 59954, 90898, 119908, 149885, 181796, 227245, 299770, 454490, 599540, 908980, 1408919, 2817838, 5635676, 7044595, 14089190, 28178380]

約数ペア:

[(1, 28178380), (2, 14089190), (4, 7044595), (5, 5635676), (10, 2817838), (20, 1408919), (31, 908980), (47, 599540), (62, 454490), (94, 299770), (124, 227245), (155, 181796), (188, 149885), (235, 119908), (310, 90898), (470, 59954), (620, 45449), (940, 29977), (967, 29140), (1457, 19340), (1934, 14570), (2914, 9670), (3868, 7285), (4835, 5828)]