246970180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{398339}}^1$

素因数の和:398379

約数の個数: 24

約数和(自身を含む): 535368960

約数和(自身を除く): 288398780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 398339, 796678, 1593356, 1991695, 3983390, 7966780, 12348509, 24697018, 49394036, 61742545, 123485090, 246970180]

約数ペア:

[(1, 246970180), (2, 123485090), (4, 61742545), (5, 49394036), (10, 24697018), (20, 12348509), (31, 7966780), (62, 3983390), (124, 1991695), (155, 1593356), (310, 796678), (620, 398339)]