634465720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{323707}}^1$

素因数の和:323732

約数の個数: 48

約数和(自身を含む): 1660622040

約数和(自身を除く): 1026156320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 323707, 647414, 1294828, 1618535, 2265949, 2589656, 3237070, 4531898, 6474140, 9063796, 11329745, 12948280, 15861643, 18127592, 22659490, 31723286, 45318980, 63446572, 79308215, 90637960, 126893144, 158616430, 317232860, 634465720]

約数ペア:

[(1, 634465720), (2, 317232860), (4, 158616430), (5, 126893144), (7, 90637960), (8, 79308215), (10, 63446572), (14, 45318980), (20, 31723286), (28, 22659490), (35, 18127592), (40, 15861643), (49, 12948280), (56, 11329745), (70, 9063796), (98, 6474140), (140, 4531898), (196, 3237070), (245, 2589656), (280, 2265949), (392, 1618535), (490, 1294828), (980, 647414), (1960, 323707)]