182198780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4139}}^1$

素因数の和:4250

約数の個数: 48

約数和(自身を含む): 400619520

約数和(自身を除く): 218420740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4139, 4402, 8278, 8804, 11005, 16556, 20695, 22010, 41390, 44020, 82780, 128309, 256618, 293869, 513236, 587738, 641545, 1175476, 1283090, 1469345, 2566180, 2938690, 5877380, 9109939, 18219878, 36439756, 45549695, 91099390, 182198780]

約数ペア:

[(1, 182198780), (2, 91099390), (4, 45549695), (5, 36439756), (10, 18219878), (20, 9109939), (31, 5877380), (62, 2938690), (71, 2566180), (124, 1469345), (142, 1283090), (155, 1175476), (284, 641545), (310, 587738), (355, 513236), (620, 293869), (710, 256618), (1420, 128309), (2201, 82780), (4139, 44020), (4402, 41390), (8278, 22010), (8804, 20695), (11005, 16556)]