89867900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 208674144

約数和(自身を除く): 118806244

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 820, 943, 953, 1025, 1150, 1886, 1906, 2050, 2300, 3772, 3812, 4100, 4715, 4765, 9430, 9530, 18860, 19060, 21919, 23575, 23825, 39073, 43838, 47150, 47650, 78146, 87676, 94300, 95300, 109595, 156292, 195365, 219190, 390730, 438380, 547975, 781460, 898679, 976825, 1095950, 1797358, 1953650, 2191900, 3594716, 3907300, 4493395, 8986790, 17973580, 22466975, 44933950, 89867900]

約数ペア:

[(1, 89867900), (2, 44933950), (4, 22466975), (5, 17973580), (10, 8986790), (20, 4493395), (23, 3907300), (25, 3594716), (41, 2191900), (46, 1953650), (50, 1797358), (82, 1095950), (92, 976825), (100, 898679), (115, 781460), (164, 547975), (205, 438380), (230, 390730), (410, 219190), (460, 195365), (575, 156292), (820, 109595), (943, 95300), (953, 94300), (1025, 87676), (1150, 78146), (1886, 47650), (1906, 47150), (2050, 43838), (2300, 39073), (3772, 23825), (3812, 23575), (4100, 21919), (4715, 19060), (4765, 18860), (9430, 9530)]