31044980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 66951360

約数和(自身を除く): 35906380

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 163, 178, 214, 326, 356, 428, 445, 535, 652, 815, 890, 1070, 1630, 1780, 2140, 3260, 9523, 14507, 17441, 19046, 29014, 34882, 38092, 47615, 58028, 69764, 72535, 87205, 95230, 145070, 174410, 190460, 290140, 348820, 1552249, 3104498, 6208996, 7761245, 15522490, 31044980]

約数ペア:

[(1, 31044980), (2, 15522490), (4, 7761245), (5, 6208996), (10, 3104498), (20, 1552249), (89, 348820), (107, 290140), (163, 190460), (178, 174410), (214, 145070), (326, 95230), (356, 87205), (428, 72535), (445, 69764), (535, 58028), (652, 47615), (815, 38092), (890, 34882), (1070, 29014), (1630, 19046), (1780, 17441), (2140, 14507), (3260, 9523)]