281402390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{2039}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 521864640

約数和(自身を除く): 240462250

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 373, 746, 1865, 2039, 3730, 4078, 10195, 13801, 20390, 27602, 69005, 75443, 138010, 150886, 377215, 754430, 760547, 1521094, 3802735, 7605470, 28140239, 56280478, 140701195, 281402390]

約数ペア:

[(1, 281402390), (2, 140701195), (5, 56280478), (10, 28140239), (37, 7605470), (74, 3802735), (185, 1521094), (370, 760547), (373, 754430), (746, 377215), (1865, 150886), (2039, 138010), (3730, 75443), (4078, 69005), (10195, 27602), (13801, 20390)]