220051720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11069}}^1$

素因数の和:11158

約数の個数: 64

約数和(自身を含む): 573868800

約数和(自身を除く): 353817080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 11069, 19880, 22138, 44276, 55345, 77483, 88552, 110690, 154966, 221380, 309932, 387415, 442760, 619864, 774830, 785899, 1549660, 1571798, 3099320, 3143596, 3929495, 5501293, 6287192, 7858990, 11002586, 15717980, 22005172, 27506465, 31435960, 44010344, 55012930, 110025860, 220051720]

約数ペア:

[(1, 220051720), (2, 110025860), (4, 55012930), (5, 44010344), (7, 31435960), (8, 27506465), (10, 22005172), (14, 15717980), (20, 11002586), (28, 7858990), (35, 6287192), (40, 5501293), (56, 3929495), (70, 3143596), (71, 3099320), (140, 1571798), (142, 1549660), (280, 785899), (284, 774830), (355, 619864), (497, 442760), (568, 387415), (710, 309932), (994, 221380), (1420, 154966), (1988, 110690), (2485, 88552), (2840, 77483), (3976, 55345), (4970, 44276), (9940, 22138), (11069, 19880)]