290465740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 677678400

約数和(自身を除く): 387212660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 89, 116, 145, 170, 178, 290, 331, 340, 356, 445, 493, 580, 662, 890, 986, 1324, 1513, 1655, 1780, 1972, 2465, 2581, 3026, 3310, 4930, 5162, 5627, 6052, 6620, 7565, 9599, 9860, 10324, 11254, 12905, 15130, 19198, 22508, 25810, 28135, 29459, 30260, 38396, 43877, 47995, 51620, 56270, 58918, 87754, 95990, 112540, 117836, 147295, 163183, 175508, 191980, 219385, 294590, 326366, 438770, 500803, 589180, 652732, 815915, 854311, 877540, 1001606, 1631830, 1708622, 2003212, 2504015, 3263660, 3417244, 4271555, 5008030, 8543110, 10016060, 14523287, 17086220, 29046574, 58093148, 72616435, 145232870, 290465740]

約数ペア:

[(1, 290465740), (2, 145232870), (4, 72616435), (5, 58093148), (10, 29046574), (17, 17086220), (20, 14523287), (29, 10016060), (34, 8543110), (58, 5008030), (68, 4271555), (85, 3417244), (89, 3263660), (116, 2504015), (145, 2003212), (170, 1708622), (178, 1631830), (290, 1001606), (331, 877540), (340, 854311), (356, 815915), (445, 652732), (493, 589180), (580, 500803), (662, 438770), (890, 326366), (986, 294590), (1324, 219385), (1513, 191980), (1655, 175508), (1780, 163183), (1972, 147295), (2465, 117836), (2581, 112540), (3026, 95990), (3310, 87754), (4930, 58918), (5162, 56270), (5627, 51620), (6052, 47995), (6620, 43877), (7565, 38396), (9599, 30260), (9860, 29459), (10324, 28135), (11254, 25810), (12905, 22508), (15130, 19198)]