291245840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2671}}^1$

素因数の和:2760

約数の個数: 80

約数和(自身を含む): 715668480

約数和(自身を除く): 424422640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 290, 376, 464, 470, 580, 752, 940, 1160, 1363, 1880, 2320, 2671, 2726, 3760, 5342, 5452, 6815, 10684, 10904, 13355, 13630, 21368, 21808, 26710, 27260, 42736, 53420, 54520, 77459, 106840, 109040, 125537, 154918, 213680, 251074, 309836, 387295, 502148, 619672, 627685, 774590, 1004296, 1239344, 1255370, 1549180, 2008592, 2510740, 3098360, 3640573, 5021480, 6196720, 7281146, 10042960, 14562292, 18202865, 29124584, 36405730, 58249168, 72811460, 145622920, 291245840]

約数ペア:

[(1, 291245840), (2, 145622920), (4, 72811460), (5, 58249168), (8, 36405730), (10, 29124584), (16, 18202865), (20, 14562292), (29, 10042960), (40, 7281146), (47, 6196720), (58, 5021480), (80, 3640573), (94, 3098360), (116, 2510740), (145, 2008592), (188, 1549180), (232, 1255370), (235, 1239344), (290, 1004296), (376, 774590), (464, 627685), (470, 619672), (580, 502148), (752, 387295), (940, 309836), (1160, 251074), (1363, 213680), (1880, 154918), (2320, 125537), (2671, 109040), (2726, 106840), (3760, 77459), (5342, 54520), (5452, 53420), (6815, 42736), (10684, 27260), (10904, 26710), (13355, 21808), (13630, 21368)]