280817628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2212

約数の個数: 144

約数和(自身を含む): 869539104

約数和(自身を除く): 588721476

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 49, 51, 52, 68, 78, 84, 91, 98, 102, 119, 147, 156, 182, 196, 204, 221, 238, 273, 294, 357, 364, 442, 476, 546, 588, 637, 663, 714, 833, 884, 1092, 1274, 1326, 1428, 1547, 1666, 1911, 2161, 2499, 2548, 2652, 3094, 3332, 3822, 4322, 4641, 4998, 6188, 6483, 7644, 8644, 9282, 9996, 10829, 12966, 15127, 18564, 21658, 25932, 28093, 30254, 32487, 36737, 43316, 45381, 56186, 60508, 64974, 73474, 84279, 90762, 105889, 110211, 112372, 129948, 146948, 168558, 181524, 196651, 211778, 220422, 257159, 317667, 337116, 393302, 423556, 440844, 477581, 514318, 589953, 635334, 771477, 786604, 955162, 1028636, 1179906, 1270668, 1376557, 1432743, 1542954, 1800113, 1910324, 2359812, 2753114, 2865486, 3085908, 3343067, 3600226, 4129671, 5400339, 5506228, 5730972, 6686134, 7200452, 8259342, 10029201, 10800678, 13372268, 16518684, 20058402, 21601356, 23401469, 40116804, 46802938, 70204407, 93605876, 140408814, 280817628]

約数ペア:

[(1, 280817628), (2, 140408814), (3, 93605876), (4, 70204407), (6, 46802938), (7, 40116804), (12, 23401469), (13, 21601356), (14, 20058402), (17, 16518684), (21, 13372268), (26, 10800678), (28, 10029201), (34, 8259342), (39, 7200452), (42, 6686134), (49, 5730972), (51, 5506228), (52, 5400339), (68, 4129671), (78, 3600226), (84, 3343067), (91, 3085908), (98, 2865486), (102, 2753114), (119, 2359812), (147, 1910324), (156, 1800113), (182, 1542954), (196, 1432743), (204, 1376557), (221, 1270668), (238, 1179906), (273, 1028636), (294, 955162), (357, 786604), (364, 771477), (442, 635334), (476, 589953), (546, 514318), (588, 477581), (637, 440844), (663, 423556), (714, 393302), (833, 337116), (884, 317667), (1092, 257159), (1274, 220422), (1326, 211778), (1428, 196651), (1547, 181524), (1666, 168558), (1911, 146948), (2161, 129948), (2499, 112372), (2548, 110211), (2652, 105889), (3094, 90762), (3332, 84279), (3822, 73474), (4322, 64974), (4641, 60508), (4998, 56186), (6188, 45381), (6483, 43316), (7644, 36737), (8644, 32487), (9282, 30254), (9996, 28093), (10829, 25932), (12966, 21658), (15127, 18564)]