1296105220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{2297}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 2762287920

約数和(自身を除く): 1466182700

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 317, 356, 445, 634, 890, 1268, 1585, 1780, 2297, 3170, 4594, 6340, 9188, 11485, 22970, 28213, 45940, 56426, 112852, 141065, 204433, 282130, 408866, 564260, 728149, 817732, 1022165, 1456298, 2044330, 2912596, 3640745, 4088660, 7281490, 14562980, 64805261, 129610522, 259221044, 324026305, 648052610, 1296105220]

約数ペア:

[(1, 1296105220), (2, 648052610), (4, 324026305), (5, 259221044), (10, 129610522), (20, 64805261), (89, 14562980), (178, 7281490), (317, 4088660), (356, 3640745), (445, 2912596), (634, 2044330), (890, 1456298), (1268, 1022165), (1585, 817732), (1780, 728149), (2297, 564260), (3170, 408866), (4594, 282130), (6340, 204433), (9188, 141065), (11485, 112852), (22970, 56426), (28213, 45940)]