1995950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 4285440

約数和(自身を除く): 2289490

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 191, 209, 275, 382, 418, 475, 550, 950, 955, 1045, 1910, 2090, 2101, 3629, 4202, 4775, 5225, 7258, 9550, 10450, 10505, 18145, 21010, 36290, 39919, 52525, 79838, 90725, 105050, 181450, 199595, 399190, 997975, 1995950]

約数ペア:

[(1, 1995950), (2, 997975), (5, 399190), (10, 199595), (11, 181450), (19, 105050), (22, 90725), (25, 79838), (38, 52525), (50, 39919), (55, 36290), (95, 21010), (110, 18145), (190, 10505), (191, 10450), (209, 9550), (275, 7258), (382, 5225), (418, 4775), (475, 4202), (550, 3629), (950, 2101), (955, 2090), (1045, 1910)]