724562780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{18859}}^1$

素因数の和:18998

約数の個数: 48

約数和(自身を含む): 1625430240

約数和(自身を除く): 900867460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 1130, 1921, 2260, 3842, 7684, 9605, 18859, 19210, 37718, 38420, 75436, 94295, 188590, 320603, 377180, 641206, 1282412, 1603015, 2131067, 3206030, 4262134, 6412060, 8524268, 10655335, 21310670, 36228139, 42621340, 72456278, 144912556, 181140695, 362281390, 724562780]

約数ペア:

[(1, 724562780), (2, 362281390), (4, 181140695), (5, 144912556), (10, 72456278), (17, 42621340), (20, 36228139), (34, 21310670), (68, 10655335), (85, 8524268), (113, 6412060), (170, 4262134), (226, 3206030), (340, 2131067), (452, 1603015), (565, 1282412), (1130, 641206), (1921, 377180), (2260, 320603), (3842, 188590), (7684, 94295), (9605, 75436), (18859, 38420), (19210, 37718)]