385735880

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{12979}}^1$

素因数の和:13733

約数の個数: 32

約数和(自身を含む): 869140800

約数和(自身を除く): 483404920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7430, 12979, 14860, 25958, 29720, 51916, 64895, 103832, 129790, 259580, 519160, 9643397, 19286794, 38573588, 48216985, 77147176, 96433970, 192867940, 385735880]

約数ペア:

[(1, 385735880), (2, 192867940), (4, 96433970), (5, 77147176), (8, 48216985), (10, 38573588), (20, 19286794), (40, 9643397), (743, 519160), (1486, 259580), (2972, 129790), (3715, 103832), (5944, 64895), (7430, 51916), (12979, 29720), (14860, 25958)]