314603980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 671138496

約数和(自身を除く): 356534516

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 257, 388, 485, 514, 631, 970, 1028, 1262, 1285, 1940, 2524, 2570, 3155, 5140, 6310, 12620, 24929, 49858, 61207, 99716, 122414, 124645, 162167, 244828, 249290, 306035, 324334, 498580, 612070, 648668, 810835, 1224140, 1621670, 3243340, 15730199, 31460398, 62920796, 78650995, 157301990, 314603980]

約数ペア:

[(1, 314603980), (2, 157301990), (4, 78650995), (5, 62920796), (10, 31460398), (20, 15730199), (97, 3243340), (194, 1621670), (257, 1224140), (388, 810835), (485, 648668), (514, 612070), (631, 498580), (970, 324334), (1028, 306035), (1262, 249290), (1285, 244828), (1940, 162167), (2524, 124645), (2570, 122414), (3155, 99716), (5140, 61207), (6310, 49858), (12620, 24929)]