138184360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111439}}^1$

素因数の和:111481

約数の個数: 32

約数和(自身を含む): 320947200

約数和(自身を除く): 182762840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 111439, 222878, 445756, 557195, 891512, 1114390, 2228780, 3454609, 4457560, 6909218, 13818436, 17273045, 27636872, 34546090, 69092180, 138184360]

約数ペア:

[(1, 138184360), (2, 69092180), (4, 34546090), (5, 27636872), (8, 17273045), (10, 13818436), (20, 6909218), (31, 4457560), (40, 3454609), (62, 2228780), (124, 1114390), (155, 891512), (248, 557195), (310, 445756), (620, 222878), (1240, 111439)]