2019968380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 4466246400

約数和(自身を除く): 2446278020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 109, 148, 158, 185, 218, 316, 317, 370, 395, 436, 545, 634, 740, 790, 1090, 1268, 1580, 1585, 2180, 2923, 3170, 4033, 5846, 6340, 8066, 8611, 11692, 11729, 14615, 16132, 17222, 20165, 23458, 25043, 29230, 34444, 34553, 40330, 43055, 46916, 50086, 58460, 58645, 69106, 80660, 86110, 100172, 117290, 125215, 138212, 172220, 172765, 234580, 250430, 318607, 345530, 500860, 637214, 691060, 926591, 1274428, 1278461, 1593035, 1853182, 2556922, 2729687, 3186070, 3706364, 4632955, 5113844, 5459374, 6372140, 6392305, 9265910, 10918748, 12784610, 13648435, 18531820, 25569220, 27296870, 54593740, 100998419, 201996838, 403993676, 504992095, 1009984190, 2019968380]

約数ペア:

[(1, 2019968380), (2, 1009984190), (4, 504992095), (5, 403993676), (10, 201996838), (20, 100998419), (37, 54593740), (74, 27296870), (79, 25569220), (109, 18531820), (148, 13648435), (158, 12784610), (185, 10918748), (218, 9265910), (316, 6392305), (317, 6372140), (370, 5459374), (395, 5113844), (436, 4632955), (545, 3706364), (634, 3186070), (740, 2729687), (790, 2556922), (1090, 1853182), (1268, 1593035), (1580, 1278461), (1585, 1274428), (2180, 926591), (2923, 691060), (3170, 637214), (4033, 500860), (5846, 345530), (6340, 318607), (8066, 250430), (8611, 234580), (11692, 172765), (11729, 172220), (14615, 138212), (16132, 125215), (17222, 117290), (20165, 100172), (23458, 86110), (25043, 80660), (29230, 69106), (34444, 58645), (34553, 58460), (40330, 50086), (43055, 46916)]