681570400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{17387}}^1$

素因数の和:17421

約数の個数: 108

約数和(自身を含む): 1935649548

約数和(自身を除く): 1254079148

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, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2450, 2800, 3920, 4900, 5600, 7840, 9800, 17387, 19600, 34774, 39200, 69548, 86935, 121709, 139096, 173870, 243418, 278192, 347740, 434675, 486836, 556384, 608545, 695480, 851963, 869350, 973672, 1217090, 1390960, 1703926, 1738700, 1947344, 2434180, 2781920, 3042725, 3407852, 3477400, 3894688, 4259815, 4868360, 6085450, 6815704, 6954800, 8519630, 9736720, 12170900, 13631408, 13909600, 17039260, 19473440, 21299075, 24341800, 27262816, 34078520, 42598150, 48683600, 68157040, 85196300, 97367200, 136314080, 170392600, 340785200, 681570400]

約数ペア:

[(1, 681570400), (2, 340785200), (4, 170392600), (5, 136314080), (7, 97367200), (8, 85196300), (10, 68157040), (14, 48683600), (16, 42598150), (20, 34078520), (25, 27262816), (28, 24341800), (32, 21299075), (35, 19473440), (40, 17039260), (49, 13909600), (50, 13631408), (56, 12170900), (70, 9736720), (80, 8519630), (98, 6954800), (100, 6815704), (112, 6085450), (140, 4868360), (160, 4259815), (175, 3894688), (196, 3477400), (200, 3407852), (224, 3042725), (245, 2781920), (280, 2434180), (350, 1947344), (392, 1738700), (400, 1703926), (490, 1390960), (560, 1217090), (700, 973672), (784, 869350), (800, 851963), (980, 695480), (1120, 608545), (1225, 556384), (1400, 486836), (1568, 434675), (1960, 347740), (2450, 278192), (2800, 243418), (3920, 173870), (4900, 139096), (5600, 121709), (7840, 86935), (9800, 69548), (17387, 39200), (19600, 34774)]