39209800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{4001}}^1$

素因数の和:4031

約数の個数: 72

約数和(自身を含む): 106073010

約数和(自身を除く): 66863210

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, 4001, 4900, 8002, 9800, 16004, 20005, 28007, 32008, 40010, 56014, 80020, 100025, 112028, 140035, 160040, 196049, 200050, 224056, 280070, 392098, 400100, 560140, 700175, 784196, 800200, 980245, 1120280, 1400350, 1568392, 1960490, 2800700, 3920980, 4901225, 5601400, 7841960, 9802450, 19604900, 39209800]

約数ペア:

[(1, 39209800), (2, 19604900), (4, 9802450), (5, 7841960), (7, 5601400), (8, 4901225), (10, 3920980), (14, 2800700), (20, 1960490), (25, 1568392), (28, 1400350), (35, 1120280), (40, 980245), (49, 800200), (50, 784196), (56, 700175), (70, 560140), (98, 400100), (100, 392098), (140, 280070), (175, 224056), (196, 200050), (200, 196049), (245, 160040), (280, 140035), (350, 112028), (392, 100025), (490, 80020), (700, 56014), (980, 40010), (1225, 32008), (1400, 28007), (1960, 20005), (2450, 16004), (4001, 9800), (4900, 8002)]