210062020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3113

約数の個数: 72

約数和(自身を含む): 520551360

約数和(自身を除く): 310489340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3019, 3479, 4970, 6038, 6958, 9940, 12076, 13916, 15095, 17395, 21133, 30190, 34790, 42266, 60380, 69580, 84532, 105665, 147931, 211330, 214349, 295862, 422660, 428698, 591724, 739655, 857396, 1071745, 1479310, 1500443, 2143490, 2958620, 3000886, 4286980, 6001772, 7502215, 10503101, 15004430, 21006202, 30008860, 42012404, 52515505, 105031010, 210062020]

約数ペア:

[(1, 210062020), (2, 105031010), (4, 52515505), (5, 42012404), (7, 30008860), (10, 21006202), (14, 15004430), (20, 10503101), (28, 7502215), (35, 6001772), (49, 4286980), (70, 3000886), (71, 2958620), (98, 2143490), (140, 1500443), (142, 1479310), (196, 1071745), (245, 857396), (284, 739655), (355, 591724), (490, 428698), (497, 422660), (710, 295862), (980, 214349), (994, 211330), (1420, 147931), (1988, 105665), (2485, 84532), (3019, 69580), (3479, 60380), (4970, 42266), (6038, 34790), (6958, 30190), (9940, 21133), (12076, 17395), (13916, 15095)]