378820

素因数分解:

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

素因数の和:100

約数の個数: 48

約数和(自身を含む): 903168

約数和(自身を除く): 524348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 155, 188, 235, 260, 310, 403, 470, 611, 620, 806, 940, 1222, 1457, 1612, 2015, 2444, 2914, 3055, 4030, 5828, 6110, 7285, 8060, 12220, 14570, 18941, 29140, 37882, 75764, 94705, 189410, 378820]

約数ペア:

[(1, 378820), (2, 189410), (4, 94705), (5, 75764), (10, 37882), (13, 29140), (20, 18941), (26, 14570), (31, 12220), (47, 8060), (52, 7285), (62, 6110), (65, 5828), (94, 4030), (124, 3055), (130, 2914), (155, 2444), (188, 2015), (235, 1612), (260, 1457), (310, 1222), (403, 940), (470, 806), (611, 620)]