28397380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4500

約数の個数: 48

約数和(自身を含む): 67314240

約数和(自身を除く): 38916860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4451, 6380, 8902, 17804, 22255, 44510, 48961, 89020, 97922, 129079, 195844, 244805, 258158, 489610, 516316, 645395, 979220, 1290790, 1419869, 2581580, 2839738, 5679476, 7099345, 14198690, 28397380]

約数ペア:

[(1, 28397380), (2, 14198690), (4, 7099345), (5, 5679476), (10, 2839738), (11, 2581580), (20, 1419869), (22, 1290790), (29, 979220), (44, 645395), (55, 516316), (58, 489610), (110, 258158), (116, 244805), (145, 195844), (220, 129079), (290, 97922), (319, 89020), (580, 48961), (638, 44510), (1276, 22255), (1595, 17804), (3190, 8902), (4451, 6380)]