1657535740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{16421}}^1$

素因数の和:16547

約数の個数: 72

約数和(自身を含む): 4088683872

約数和(自身を除く): 2431148132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 2060, 2884, 3605, 5047, 7210, 10094, 14420, 16421, 20188, 25235, 32842, 50470, 65684, 82105, 100940, 114947, 164210, 229894, 328420, 459788, 574735, 804629, 1149470, 1609258, 1691363, 2298940, 3218516, 3382726, 4023145, 6765452, 8046290, 8456815, 11839541, 16092580, 16913630, 23679082, 33827260, 47358164, 59197705, 82876787, 118395410, 165753574, 236790820, 331507148, 414383935, 828767870, 1657535740]

約数ペア:

[(1, 1657535740), (2, 828767870), (4, 414383935), (5, 331507148), (7, 236790820), (10, 165753574), (14, 118395410), (20, 82876787), (28, 59197705), (35, 47358164), (49, 33827260), (70, 23679082), (98, 16913630), (103, 16092580), (140, 11839541), (196, 8456815), (206, 8046290), (245, 6765452), (412, 4023145), (490, 3382726), (515, 3218516), (721, 2298940), (980, 1691363), (1030, 1609258), (1442, 1149470), (2060, 804629), (2884, 574735), (3605, 459788), (5047, 328420), (7210, 229894), (10094, 164210), (14420, 114947), (16421, 100940), (20188, 82105), (25235, 65684), (32842, 50470)]