4391180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 9767520

約数和(自身を除く): 5376340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 113, 116, 134, 145, 226, 268, 290, 335, 452, 565, 580, 670, 1130, 1340, 1943, 2260, 3277, 3886, 6554, 7571, 7772, 9715, 13108, 15142, 16385, 19430, 30284, 32770, 37855, 38860, 65540, 75710, 151420, 219559, 439118, 878236, 1097795, 2195590, 4391180]

約数ペア:

[(1, 4391180), (2, 2195590), (4, 1097795), (5, 878236), (10, 439118), (20, 219559), (29, 151420), (58, 75710), (67, 65540), (113, 38860), (116, 37855), (134, 32770), (145, 30284), (226, 19430), (268, 16385), (290, 15142), (335, 13108), (452, 9715), (565, 7772), (580, 7571), (670, 6554), (1130, 3886), (1340, 3277), (1943, 2260)]