31862620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 70963200

約数和(自身を除く): 39100580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 439, 764, 878, 955, 1756, 1910, 2195, 3629, 3820, 4390, 7258, 8341, 8780, 14516, 16682, 18145, 33364, 36290, 41705, 72580, 83410, 83849, 166820, 167698, 335396, 419245, 838490, 1593131, 1676980, 3186262, 6372524, 7965655, 15931310, 31862620]

約数ペア:

[(1, 31862620), (2, 15931310), (4, 7965655), (5, 6372524), (10, 3186262), (19, 1676980), (20, 1593131), (38, 838490), (76, 419245), (95, 335396), (190, 167698), (191, 166820), (380, 83849), (382, 83410), (439, 72580), (764, 41705), (878, 36290), (955, 33364), (1756, 18145), (1910, 16682), (2195, 14516), (3629, 8780), (3820, 8341), (4390, 7258)]