47815660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 102961152

約数和(自身を除く): 55145492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 223, 284, 302, 355, 446, 604, 710, 755, 892, 1115, 1420, 1510, 2230, 3020, 4460, 10721, 15833, 21442, 31666, 33673, 42884, 53605, 63332, 67346, 79165, 107210, 134692, 158330, 168365, 214420, 316660, 336730, 673460, 2390783, 4781566, 9563132, 11953915, 23907830, 47815660]

約数ペア:

[(1, 47815660), (2, 23907830), (4, 11953915), (5, 9563132), (10, 4781566), (20, 2390783), (71, 673460), (142, 336730), (151, 316660), (223, 214420), (284, 168365), (302, 158330), (355, 134692), (446, 107210), (604, 79165), (710, 67346), (755, 63332), (892, 53605), (1115, 42884), (1420, 33673), (1510, 31666), (2230, 21442), (3020, 15833), (4460, 10721)]