71672750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 72096850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 125, 158, 190, 191, 250, 382, 395, 475, 790, 950, 955, 1501, 1910, 1975, 2375, 3002, 3629, 3950, 4750, 4775, 7258, 7505, 9550, 9875, 15010, 15089, 18145, 19750, 23875, 30178, 36290, 37525, 47750, 75050, 75445, 90725, 150890, 181450, 187625, 286691, 375250, 377225, 453625, 573382, 754450, 907250, 1433455, 1886125, 2866910, 3772250, 7167275, 14334550, 35836375, 71672750]

約数ペア:

[(1, 71672750), (2, 35836375), (5, 14334550), (10, 7167275), (19, 3772250), (25, 2866910), (38, 1886125), (50, 1433455), (79, 907250), (95, 754450), (125, 573382), (158, 453625), (190, 377225), (191, 375250), (250, 286691), (382, 187625), (395, 181450), (475, 150890), (790, 90725), (950, 75445), (955, 75050), (1501, 47750), (1910, 37525), (1975, 36290), (2375, 30178), (3002, 23875), (3629, 19750), (3950, 18145), (4750, 15089), (4775, 15010), (7258, 9875), (7505, 9550)]