219008020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2101

約数の個数: 96

約数和(自身を含む): 581769216

約数和(自身を除く): 362761196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2003, 2485, 3124, 3905, 4006, 4970, 5467, 7810, 8012, 9940, 10015, 10934, 14021, 15620, 20030, 21868, 22033, 27335, 28042, 40060, 44066, 54670, 56084, 70105, 88132, 109340, 110165, 140210, 142213, 154231, 220330, 280420, 284426, 308462, 440660, 568852, 616924, 711065, 771155, 995491, 1422130, 1542310, 1564343, 1990982, 2844260, 3084620, 3128686, 3981964, 4977455, 6257372, 7821715, 9954910, 10950401, 15643430, 19909820, 21900802, 31286860, 43801604, 54752005, 109504010, 219008020]

約数ペア:

[(1, 219008020), (2, 109504010), (4, 54752005), (5, 43801604), (7, 31286860), (10, 21900802), (11, 19909820), (14, 15643430), (20, 10950401), (22, 9954910), (28, 7821715), (35, 6257372), (44, 4977455), (55, 3981964), (70, 3128686), (71, 3084620), (77, 2844260), (110, 1990982), (140, 1564343), (142, 1542310), (154, 1422130), (220, 995491), (284, 771155), (308, 711065), (355, 616924), (385, 568852), (497, 440660), (710, 308462), (770, 284426), (781, 280420), (994, 220330), (1420, 154231), (1540, 142213), (1562, 140210), (1988, 110165), (2003, 109340), (2485, 88132), (3124, 70105), (3905, 56084), (4006, 54670), (4970, 44066), (5467, 40060), (7810, 28042), (8012, 27335), (9940, 22033), (10015, 21868), (10934, 20030), (14021, 15620)]