780168200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{79609}}^1$

素因数の和:79639

約数の個数: 72

約数和(自身を含む): 2110063050

約数和(自身を除く): 1329894850

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 79609, 159218, 318436, 398045, 557263, 636872, 796090, 1114526, 1592180, 1990225, 2229052, 2786315, 3184360, 3900841, 3980450, 4458104, 5572630, 7801682, 7960900, 11145260, 13931575, 15603364, 15921800, 19504205, 22290520, 27863150, 31206728, 39008410, 55726300, 78016820, 97521025, 111452600, 156033640, 195042050, 390084100, 780168200]

約数ペア:

[(1, 780168200), (2, 390084100), (4, 195042050), (5, 156033640), (7, 111452600), (8, 97521025), (10, 78016820), (14, 55726300), (20, 39008410), (25, 31206728), (28, 27863150), (35, 22290520), (40, 19504205), (49, 15921800), (50, 15603364), (56, 13931575), (70, 11145260), (98, 7960900), (100, 7801682), (140, 5572630), (175, 4458104), (196, 3980450), (200, 3900841), (245, 3184360), (280, 2786315), (350, 2229052), (392, 1990225), (490, 1592180), (700, 1114526), (980, 796090), (1225, 636872), (1400, 557263), (1960, 398045), (2450, 318436), (4900, 159218), (9800, 79609)]