280293816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1261

約数の個数: 128

約数和(自身を含む): 816998400

約数和(自身を除く): 536704584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 31, 33, 44, 58, 62, 66, 87, 88, 93, 116, 124, 132, 174, 186, 232, 248, 264, 319, 341, 348, 372, 638, 682, 696, 744, 899, 957, 1023, 1181, 1276, 1364, 1798, 1914, 2046, 2362, 2552, 2697, 2728, 3543, 3596, 3828, 4092, 4724, 5394, 7086, 7192, 7656, 8184, 9448, 9889, 10788, 12991, 14172, 19778, 21576, 25982, 28344, 29667, 34249, 36611, 38973, 39556, 51964, 59334, 68498, 73222, 77946, 79112, 102747, 103928, 109833, 118668, 136996, 146444, 155892, 205494, 219666, 237336, 273992, 292888, 311784, 376739, 402721, 410988, 439332, 753478, 805442, 821976, 878664, 1061719, 1130217, 1208163, 1506956, 1610884, 2123438, 2260434, 2416326, 3013912, 3185157, 3221768, 4246876, 4520868, 4832652, 6370314, 8493752, 9041736, 9665304, 11678909, 12740628, 23357818, 25481256, 35036727, 46715636, 70073454, 93431272, 140146908, 280293816]

約数ペア:

[(1, 280293816), (2, 140146908), (3, 93431272), (4, 70073454), (6, 46715636), (8, 35036727), (11, 25481256), (12, 23357818), (22, 12740628), (24, 11678909), (29, 9665304), (31, 9041736), (33, 8493752), (44, 6370314), (58, 4832652), (62, 4520868), (66, 4246876), (87, 3221768), (88, 3185157), (93, 3013912), (116, 2416326), (124, 2260434), (132, 2123438), (174, 1610884), (186, 1506956), (232, 1208163), (248, 1130217), (264, 1061719), (319, 878664), (341, 821976), (348, 805442), (372, 753478), (638, 439332), (682, 410988), (696, 402721), (744, 376739), (899, 311784), (957, 292888), (1023, 273992), (1181, 237336), (1276, 219666), (1364, 205494), (1798, 155892), (1914, 146444), (2046, 136996), (2362, 118668), (2552, 109833), (2697, 103928), (2728, 102747), (3543, 79112), (3596, 77946), (3828, 73222), (4092, 68498), (4724, 59334), (5394, 51964), (7086, 39556), (7192, 38973), (7656, 36611), (8184, 34249), (9448, 29667), (9889, 28344), (10788, 25982), (12991, 21576), (14172, 19778)]