4488400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 90

約数和(自身を含む): 12598710

約数和(自身を除く): 8110310

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 229, 245, 280, 350, 392, 400, 458, 490, 560, 700, 784, 916, 980, 1145, 1225, 1400, 1603, 1832, 1960, 2290, 2450, 2800, 3206, 3664, 3920, 4580, 4900, 5725, 6412, 8015, 9160, 9800, 11221, 11450, 12824, 16030, 18320, 19600, 22442, 22900, 25648, 32060, 40075, 44884, 45800, 56105, 64120, 80150, 89768, 91600, 112210, 128240, 160300, 179536, 224420, 280525, 320600, 448840, 561050, 641200, 897680, 1122100, 2244200, 4488400]

約数ペア:

[(1, 4488400), (2, 2244200), (4, 1122100), (5, 897680), (7, 641200), (8, 561050), (10, 448840), (14, 320600), (16, 280525), (20, 224420), (25, 179536), (28, 160300), (35, 128240), (40, 112210), (49, 91600), (50, 89768), (56, 80150), (70, 64120), (80, 56105), (98, 45800), (100, 44884), (112, 40075), (140, 32060), (175, 25648), (196, 22900), (200, 22442), (229, 19600), (245, 18320), (280, 16030), (350, 12824), (392, 11450), (400, 11221), (458, 9800), (490, 9160), (560, 8015), (700, 6412), (784, 5725), (916, 4900), (980, 4580), (1145, 3920), (1225, 3664), (1400, 3206), (1603, 2800), (1832, 2450), (1960, 2290)]