154559660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 333396000

約数和(自身を除く): 178836340

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 139, 212, 265, 278, 530, 556, 695, 1049, 1060, 1390, 2098, 2780, 4196, 5245, 7367, 10490, 14734, 20980, 29468, 36835, 55597, 73670, 111194, 145811, 147340, 222388, 277985, 291622, 555970, 583244, 729055, 1111940, 1458110, 2916220, 7727983, 15455966, 30911932, 38639915, 77279830, 154559660]

約数ペア:

[(1, 154559660), (2, 77279830), (4, 38639915), (5, 30911932), (10, 15455966), (20, 7727983), (53, 2916220), (106, 1458110), (139, 1111940), (212, 729055), (265, 583244), (278, 555970), (530, 291622), (556, 277985), (695, 222388), (1049, 147340), (1060, 145811), (1390, 111194), (2098, 73670), (2780, 55597), (4196, 36835), (5245, 29468), (7367, 20980), (10490, 14734)]