87787540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 191487744

約数和(自身を除く): 103700204

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 610, 940, 1220, 1531, 2867, 3062, 5734, 6124, 7655, 11468, 14335, 15310, 28670, 30620, 57340, 71957, 93391, 143914, 186782, 287828, 359785, 373564, 466955, 719570, 933910, 1439140, 1867820, 4389377, 8778754, 17557508, 21946885, 43893770, 87787540]

約数ペア:

[(1, 87787540), (2, 43893770), (4, 21946885), (5, 17557508), (10, 8778754), (20, 4389377), (47, 1867820), (61, 1439140), (94, 933910), (122, 719570), (188, 466955), (235, 373564), (244, 359785), (305, 287828), (470, 186782), (610, 143914), (940, 93391), (1220, 71957), (1531, 57340), (2867, 30620), (3062, 28670), (5734, 15310), (6124, 14335), (7655, 11468)]