2015054540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{6449}}^1$

素因数の和:7394

約数の個数: 48

約数和(自身を含む): 4486104000

約数和(自身を除く): 2471049460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 919, 1838, 3676, 4595, 6449, 9190, 12898, 15623, 18380, 25796, 31246, 32245, 62492, 64490, 78115, 109633, 128980, 156230, 219266, 312460, 438532, 548165, 1096330, 2192660, 5926631, 11853262, 23706524, 29633155, 59266310, 100752727, 118532620, 201505454, 403010908, 503763635, 1007527270, 2015054540]

約数ペア:

[(1, 2015054540), (2, 1007527270), (4, 503763635), (5, 403010908), (10, 201505454), (17, 118532620), (20, 100752727), (34, 59266310), (68, 29633155), (85, 23706524), (170, 11853262), (340, 5926631), (919, 2192660), (1838, 1096330), (3676, 548165), (4595, 438532), (6449, 312460), (9190, 219266), (12898, 156230), (15623, 128980), (18380, 109633), (25796, 78115), (31246, 64490), (32245, 62492)]