291355820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{44279}}^1$

素因数の和:44342

約数の個数: 48

約数和(自身を含む): 714147840

約数和(自身を除く): 422792020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 44279, 88558, 177116, 221395, 309953, 442790, 619906, 885580, 1239812, 1549765, 2081113, 3099530, 4162226, 6199060, 8324452, 10405565, 14567791, 20811130, 29135582, 41622260, 58271164, 72838955, 145677910, 291355820]

約数ペア:

[(1, 291355820), (2, 145677910), (4, 72838955), (5, 58271164), (7, 41622260), (10, 29135582), (14, 20811130), (20, 14567791), (28, 10405565), (35, 8324452), (47, 6199060), (70, 4162226), (94, 3099530), (140, 2081113), (188, 1549765), (235, 1239812), (329, 885580), (470, 619906), (658, 442790), (940, 309953), (1316, 221395), (1645, 177116), (3290, 88558), (6580, 44279)]