856556660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{37339}}^1$

素因数の和:37416

約数の個数: 48

約数和(自身を含む): 1907028480

約数和(自身を除く): 1050471820

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 37339, 74678, 149356, 186695, 373390, 746780, 1157509, 1381543, 2315018, 2763086, 4630036, 5526172, 5787545, 6907715, 11575090, 13815430, 23150180, 27630860, 42827833, 85655666, 171311332, 214139165, 428278330, 856556660]

約数ペア:

[(1, 856556660), (2, 428278330), (4, 214139165), (5, 171311332), (10, 85655666), (20, 42827833), (31, 27630860), (37, 23150180), (62, 13815430), (74, 11575090), (124, 6907715), (148, 5787545), (155, 5526172), (185, 4630036), (310, 2763086), (370, 2315018), (620, 1381543), (740, 1157509), (1147, 746780), (2294, 373390), (4588, 186695), (5735, 149356), (11470, 74678), (22940, 37339)]