229019620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{187721}}^1$

素因数の和:187791

約数の個数: 24

約数和(自身を含む): 488828088

約数和(自身を除く): 259808468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 187721, 375442, 750884, 938605, 1877210, 3754420, 11450981, 22901962, 45803924, 57254905, 114509810, 229019620]

約数ペア:

[(1, 229019620), (2, 114509810), (4, 57254905), (5, 45803924), (10, 22901962), (20, 11450981), (61, 3754420), (122, 1877210), (244, 938605), (305, 750884), (610, 375442), (1220, 187721)]