209945268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 144

約数和(自身を含む): 611520000

約数和(自身を除く): 401574732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 31, 36, 39, 52, 58, 62, 78, 87, 93, 116, 117, 124, 156, 174, 186, 234, 261, 279, 348, 372, 377, 403, 468, 499, 522, 558, 754, 806, 899, 998, 1044, 1116, 1131, 1209, 1497, 1508, 1612, 1798, 1996, 2262, 2418, 2697, 2994, 3393, 3596, 3627, 4491, 4524, 4836, 5394, 5988, 6487, 6786, 7254, 8091, 8982, 10788, 11687, 12974, 13572, 14471, 14508, 15469, 16182, 17964, 19461, 23374, 25948, 28942, 30938, 32364, 35061, 38922, 43413, 46407, 46748, 57884, 58383, 61876, 70122, 77844, 86826, 92814, 105183, 116766, 130239, 139221, 140244, 173652, 185628, 188123, 201097, 210366, 233532, 260478, 278442, 376246, 402194, 420732, 448601, 520956, 556884, 564369, 603291, 752492, 804388, 897202, 1128738, 1206582, 1345803, 1693107, 1794404, 1809873, 2257476, 2413164, 2691606, 3386214, 3619746, 4037409, 5383212, 5831813, 6772428, 7239492, 8074818, 11663626, 16149636, 17495439, 23327252, 34990878, 52486317, 69981756, 104972634, 209945268]

約数ペア:

[(1, 209945268), (2, 104972634), (3, 69981756), (4, 52486317), (6, 34990878), (9, 23327252), (12, 17495439), (13, 16149636), (18, 11663626), (26, 8074818), (29, 7239492), (31, 6772428), (36, 5831813), (39, 5383212), (52, 4037409), (58, 3619746), (62, 3386214), (78, 2691606), (87, 2413164), (93, 2257476), (116, 1809873), (117, 1794404), (124, 1693107), (156, 1345803), (174, 1206582), (186, 1128738), (234, 897202), (261, 804388), (279, 752492), (348, 603291), (372, 564369), (377, 556884), (403, 520956), (468, 448601), (499, 420732), (522, 402194), (558, 376246), (754, 278442), (806, 260478), (899, 233532), (998, 210366), (1044, 201097), (1116, 188123), (1131, 185628), (1209, 173652), (1497, 140244), (1508, 139221), (1612, 130239), (1798, 116766), (1996, 105183), (2262, 92814), (2418, 86826), (2697, 77844), (2994, 70122), (3393, 61876), (3596, 58383), (3627, 57884), (4491, 46748), (4524, 46407), (4836, 43413), (5394, 38922), (5988, 35061), (6487, 32364), (6786, 30938), (7254, 28942), (8091, 25948), (8982, 23374), (10788, 19461), (11687, 17964), (12974, 16182), (13572, 15469), (14471, 14508)]