201007720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3449}}^1$

素因数の和:3538

約数の個数: 64

約数和(自身を含む): 476928000

約数和(自身を除く): 275920280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 3449, 5828, 6898, 7285, 11656, 13796, 14570, 17245, 27592, 29140, 34490, 58280, 68980, 106919, 137960, 162103, 213838, 324206, 427676, 534595, 648412, 810515, 855352, 1069190, 1296824, 1621030, 2138380, 3242060, 4276760, 5025193, 6484120, 10050386, 20100772, 25125965, 40201544, 50251930, 100503860, 201007720]

約数ペア:

[(1, 201007720), (2, 100503860), (4, 50251930), (5, 40201544), (8, 25125965), (10, 20100772), (20, 10050386), (31, 6484120), (40, 5025193), (47, 4276760), (62, 3242060), (94, 2138380), (124, 1621030), (155, 1296824), (188, 1069190), (235, 855352), (248, 810515), (310, 648412), (376, 534595), (470, 427676), (620, 324206), (940, 213838), (1240, 162103), (1457, 137960), (1880, 106919), (2914, 68980), (3449, 58280), (5828, 34490), (6898, 29140), (7285, 27592), (11656, 17245), (13796, 14570)]