275000200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{22541}}^1$

素因数の和:22618

約数の個数: 48

約数和(自身を含む): 649885860

約数和(自身を除く): 374885660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 22541, 45082, 90164, 112705, 180328, 225410, 450820, 563525, 901640, 1127050, 1375001, 2254100, 2750002, 4508200, 5500004, 6875005, 11000008, 13750010, 27500020, 34375025, 55000040, 68750050, 137500100, 275000200]

約数ペア:

[(1, 275000200), (2, 137500100), (4, 68750050), (5, 55000040), (8, 34375025), (10, 27500020), (20, 13750010), (25, 11000008), (40, 6875005), (50, 5500004), (61, 4508200), (100, 2750002), (122, 2254100), (200, 1375001), (244, 1127050), (305, 901640), (488, 563525), (610, 450820), (1220, 225410), (1525, 180328), (2440, 112705), (3050, 90164), (6100, 45082), (12200, 22541)]