1394366980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{77551}}^1$

素因数の和:77620

約数の個数: 48

約数和(自身を含む): 3126896640

約数和(自身を除く): 1732529660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17980, 77551, 155102, 310204, 387755, 775510, 1551020, 2248979, 2404081, 4497958, 4808162, 8995916, 9616324, 11244895, 12020405, 22489790, 24040810, 44979580, 48081620, 69718349, 139436698, 278873396, 348591745, 697183490, 1394366980]

約数ペア:

[(1, 1394366980), (2, 697183490), (4, 348591745), (5, 278873396), (10, 139436698), (20, 69718349), (29, 48081620), (31, 44979580), (58, 24040810), (62, 22489790), (116, 12020405), (124, 11244895), (145, 9616324), (155, 8995916), (290, 4808162), (310, 4497958), (580, 2404081), (620, 2248979), (899, 1551020), (1798, 775510), (3596, 387755), (4495, 310204), (8990, 155102), (17980, 77551)]