274491990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1339

約数の個数: 80

約数和(自身を含む): 740955600

約数和(自身を除く): 466463610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 349, 405, 698, 810, 971, 1047, 1745, 1942, 2094, 2913, 3141, 3490, 4855, 5235, 5826, 6282, 8739, 9423, 9710, 10470, 14565, 15705, 17478, 18846, 26217, 28269, 29130, 31410, 43695, 47115, 52434, 56538, 78651, 87390, 94230, 131085, 141345, 157302, 262170, 282690, 338879, 393255, 677758, 786510, 1016637, 1694395, 2033274, 3049911, 3388790, 5083185, 6099822, 9149733, 10166370, 15249555, 18299466, 27449199, 30499110, 45748665, 54898398, 91497330, 137245995, 274491990]

約数ペア:

[(1, 274491990), (2, 137245995), (3, 91497330), (5, 54898398), (6, 45748665), (9, 30499110), (10, 27449199), (15, 18299466), (18, 15249555), (27, 10166370), (30, 9149733), (45, 6099822), (54, 5083185), (81, 3388790), (90, 3049911), (135, 2033274), (162, 1694395), (270, 1016637), (349, 786510), (405, 677758), (698, 393255), (810, 338879), (971, 282690), (1047, 262170), (1745, 157302), (1942, 141345), (2094, 131085), (2913, 94230), (3141, 87390), (3490, 78651), (4855, 56538), (5235, 52434), (5826, 47115), (6282, 43695), (8739, 31410), (9423, 29130), (9710, 28269), (10470, 26217), (14565, 18846), (15705, 17478)]