203920440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{99961}}^1$

素因数の和:99992

約数の個数: 64

約数和(自身を含む): 647753760

約数和(自身を除く): 443833320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 99961, 199922, 299883, 399844, 499805, 599766, 799688, 999610, 1199532, 1499415, 1699337, 1999220, 2399064, 2998830, 3398674, 3998440, 5098011, 5997660, 6797348, 8496685, 10196022, 11995320, 13594696, 16993370, 20392044, 25490055, 33986740, 40784088, 50980110, 67973480, 101960220, 203920440]

約数ペア:

[(1, 203920440), (2, 101960220), (3, 67973480), (4, 50980110), (5, 40784088), (6, 33986740), (8, 25490055), (10, 20392044), (12, 16993370), (15, 13594696), (17, 11995320), (20, 10196022), (24, 8496685), (30, 6797348), (34, 5997660), (40, 5098011), (51, 3998440), (60, 3398674), (68, 2998830), (85, 2399064), (102, 1999220), (120, 1699337), (136, 1499415), (170, 1199532), (204, 999610), (255, 799688), (340, 599766), (408, 499805), (510, 399844), (680, 299883), (1020, 199922), (2040, 99961)]