199944920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1549}}^1$

素因数の和:2028

約数の個数: 64

約数和(自身を含む): 515592000

約数和(自身を除く): 315647080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 922, 1549, 1844, 2305, 3098, 3227, 3688, 4610, 6196, 6454, 7745, 9220, 10843, 12392, 12908, 15490, 16135, 18440, 21686, 25816, 30980, 32270, 43372, 54215, 61960, 64540, 86744, 108430, 129080, 216860, 433720, 714089, 1428178, 2856356, 3570445, 4998623, 5712712, 7140890, 9997246, 14281780, 19994492, 24993115, 28563560, 39988984, 49986230, 99972460, 199944920]

約数ペア:

[(1, 199944920), (2, 99972460), (4, 49986230), (5, 39988984), (7, 28563560), (8, 24993115), (10, 19994492), (14, 14281780), (20, 9997246), (28, 7140890), (35, 5712712), (40, 4998623), (56, 3570445), (70, 2856356), (140, 1428178), (280, 714089), (461, 433720), (922, 216860), (1549, 129080), (1844, 108430), (2305, 86744), (3098, 64540), (3227, 61960), (3688, 54215), (4610, 43372), (6196, 32270), (6454, 30980), (7745, 25816), (9220, 21686), (10843, 18440), (12392, 16135), (12908, 15490)]