281031312

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 742521920

約数和(自身を除く): 461490608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 139, 146, 219, 278, 292, 417, 438, 556, 577, 584, 834, 876, 1112, 1154, 1168, 1668, 1731, 1752, 2224, 2308, 3336, 3462, 3504, 4616, 6672, 6924, 9232, 10147, 13848, 20294, 27696, 30441, 40588, 42121, 60882, 80203, 81176, 84242, 121764, 126363, 160406, 162352, 168484, 240609, 243528, 252726, 320812, 336968, 481218, 487056, 505452, 641624, 673936, 962436, 1010904, 1283248, 1924872, 2021808, 3849744, 5854819, 11709638, 17564457, 23419276, 35128914, 46838552, 70257828, 93677104, 140515656, 281031312]

約数ペア:

[(1, 281031312), (2, 140515656), (3, 93677104), (4, 70257828), (6, 46838552), (8, 35128914), (12, 23419276), (16, 17564457), (24, 11709638), (48, 5854819), (73, 3849744), (139, 2021808), (146, 1924872), (219, 1283248), (278, 1010904), (292, 962436), (417, 673936), (438, 641624), (556, 505452), (577, 487056), (584, 481218), (834, 336968), (876, 320812), (1112, 252726), (1154, 243528), (1168, 240609), (1668, 168484), (1731, 162352), (1752, 160406), (2224, 126363), (2308, 121764), (3336, 84242), (3462, 81176), (3504, 80203), (4616, 60882), (6672, 42121), (6924, 40588), (9232, 30441), (10147, 27696), (13848, 20294)]