68743750

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 136678752

約数和(自身を除く): 67935002

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 647, 850, 1250, 1294, 2125, 3125, 3235, 4250, 6250, 6470, 10625, 10999, 16175, 21250, 21998, 32350, 53125, 54995, 80875, 106250, 109990, 161750, 274975, 404375, 549950, 808750, 1374875, 2021875, 2749750, 4043750, 6874375, 13748750, 34371875, 68743750]

約数ペア:

[(1, 68743750), (2, 34371875), (5, 13748750), (10, 6874375), (17, 4043750), (25, 2749750), (34, 2021875), (50, 1374875), (85, 808750), (125, 549950), (170, 404375), (250, 274975), (425, 161750), (625, 109990), (647, 106250), (850, 80875), (1250, 54995), (1294, 53125), (2125, 32350), (3125, 21998), (3235, 21250), (4250, 16175), (6250, 10999), (6470, 10625)]