1087900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 2749824

約数和(自身を除く): 1661924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 43, 44, 46, 50, 55, 86, 92, 100, 110, 115, 172, 215, 220, 230, 253, 275, 430, 460, 473, 506, 550, 575, 860, 946, 989, 1012, 1075, 1100, 1150, 1265, 1892, 1978, 2150, 2300, 2365, 2530, 3956, 4300, 4730, 4945, 5060, 6325, 9460, 9890, 10879, 11825, 12650, 19780, 21758, 23650, 24725, 25300, 43516, 47300, 49450, 54395, 98900, 108790, 217580, 271975, 543950, 1087900]

約数ペア:

[(1, 1087900), (2, 543950), (4, 271975), (5, 217580), (10, 108790), (11, 98900), (20, 54395), (22, 49450), (23, 47300), (25, 43516), (43, 25300), (44, 24725), (46, 23650), (50, 21758), (55, 19780), (86, 12650), (92, 11825), (100, 10879), (110, 9890), (115, 9460), (172, 6325), (215, 5060), (220, 4945), (230, 4730), (253, 4300), (275, 3956), (430, 2530), (460, 2365), (473, 2300), (506, 2150), (550, 1978), (575, 1892), (860, 1265), (946, 1150), (989, 1100), (1012, 1075)]