28498400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{727}}^1$

素因数の和:761

約数の個数: 108

約数和(自身を含む): 81041688

約数和(自身を除く): 52543288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 727, 784, 800, 980, 1120, 1225, 1400, 1454, 1568, 1960, 2450, 2800, 2908, 3635, 3920, 4900, 5089, 5600, 5816, 7270, 7840, 9800, 10178, 11632, 14540, 18175, 19600, 20356, 23264, 25445, 29080, 35623, 36350, 39200, 40712, 50890, 58160, 71246, 72700, 81424, 101780, 116320, 127225, 142492, 145400, 162848, 178115, 203560, 254450, 284984, 290800, 356230, 407120, 508900, 569968, 581600, 712460, 814240, 890575, 1017800, 1139936, 1424920, 1781150, 2035600, 2849840, 3562300, 4071200, 5699680, 7124600, 14249200, 28498400]

約数ペア:

[(1, 28498400), (2, 14249200), (4, 7124600), (5, 5699680), (7, 4071200), (8, 3562300), (10, 2849840), (14, 2035600), (16, 1781150), (20, 1424920), (25, 1139936), (28, 1017800), (32, 890575), (35, 814240), (40, 712460), (49, 581600), (50, 569968), (56, 508900), (70, 407120), (80, 356230), (98, 290800), (100, 284984), (112, 254450), (140, 203560), (160, 178115), (175, 162848), (196, 145400), (200, 142492), (224, 127225), (245, 116320), (280, 101780), (350, 81424), (392, 72700), (400, 71246), (490, 58160), (560, 50890), (700, 40712), (727, 39200), (784, 36350), (800, 35623), (980, 29080), (1120, 25445), (1225, 23264), (1400, 20356), (1454, 19600), (1568, 18175), (1960, 14540), (2450, 11632), (2800, 10178), (2908, 9800), (3635, 7840), (3920, 7270), (4900, 5816), (5089, 5600)]