1991062420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{30013}}^1$

素因数の和:30160

約数の個数: 48

約数和(自身を含む): 4356592128

約数和(自身を除く): 2365529708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 2140, 3317, 6634, 13268, 16585, 30013, 33170, 60026, 66340, 120052, 150065, 300130, 600260, 930403, 1860806, 3211391, 3721612, 4652015, 6422782, 9304030, 12845564, 16056955, 18608060, 32113910, 64227820, 99553121, 199106242, 398212484, 497765605, 995531210, 1991062420]

約数ペア:

[(1, 1991062420), (2, 995531210), (4, 497765605), (5, 398212484), (10, 199106242), (20, 99553121), (31, 64227820), (62, 32113910), (107, 18608060), (124, 16056955), (155, 12845564), (214, 9304030), (310, 6422782), (428, 4652015), (535, 3721612), (620, 3211391), (1070, 1860806), (2140, 930403), (3317, 600260), (6634, 300130), (13268, 150065), (16585, 120052), (30013, 66340), (33170, 60026)]