90245260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 223733664

約数和(自身を除く): 133488404

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, 1297, 1420, 1988, 2485, 2594, 3479, 4970, 5188, 6485, 6958, 9079, 9940, 12970, 13916, 17395, 18158, 25940, 34790, 36316, 45395, 63553, 69580, 90790, 92087, 127106, 181580, 184174, 254212, 317765, 368348, 460435, 635530, 644609, 920870, 1271060, 1289218, 1841740, 2578436, 3223045, 4512263, 6446090, 9024526, 12892180, 18049052, 22561315, 45122630, 90245260]

約数ペア:

[(1, 90245260), (2, 45122630), (4, 22561315), (5, 18049052), (7, 12892180), (10, 9024526), (14, 6446090), (20, 4512263), (28, 3223045), (35, 2578436), (49, 1841740), (70, 1289218), (71, 1271060), (98, 920870), (140, 644609), (142, 635530), (196, 460435), (245, 368348), (284, 317765), (355, 254212), (490, 184174), (497, 181580), (710, 127106), (980, 92087), (994, 90790), (1297, 69580), (1420, 63553), (1988, 45395), (2485, 36316), (2594, 34790), (3479, 25940), (4970, 18158), (5188, 17395), (6485, 13916), (6958, 12970), (9079, 9940)]