1990609510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{121157}}^1$

素因数の和:121248

約数の個数: 32

約数和(自身を含む): 3768498432

約数和(自身を除く): 1777888922

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1643, 3286, 8215, 16430, 121157, 242314, 605785, 1211570, 3755867, 6421321, 7511734, 12842642, 18779335, 32106605, 37558670, 64213210, 199060951, 398121902, 995304755, 1990609510]

約数ペア:

[(1, 1990609510), (2, 995304755), (5, 398121902), (10, 199060951), (31, 64213210), (53, 37558670), (62, 32106605), (106, 18779335), (155, 12842642), (265, 7511734), (310, 6421321), (530, 3755867), (1643, 1211570), (3286, 605785), (8215, 242314), (16430, 121157)]