78749780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3797}}^1$

素因数の和:3884

約数の個数: 48

約数和(自身を含む): 178019856

約数和(自身を除く): 99270076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 3797, 4148, 5185, 7594, 10370, 15188, 18985, 20740, 37970, 64549, 75940, 129098, 231617, 258196, 322745, 463234, 645490, 926468, 1158085, 1290980, 2316170, 3937489, 4632340, 7874978, 15749956, 19687445, 39374890, 78749780]

約数ペア:

[(1, 78749780), (2, 39374890), (4, 19687445), (5, 15749956), (10, 7874978), (17, 4632340), (20, 3937489), (34, 2316170), (61, 1290980), (68, 1158085), (85, 926468), (122, 645490), (170, 463234), (244, 322745), (305, 258196), (340, 231617), (610, 129098), (1037, 75940), (1220, 64549), (2074, 37970), (3797, 20740), (4148, 18985), (5185, 15188), (7594, 10370)]