305854276

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 743250816

約数和(自身を除く): 437396540

約数列:

[1, 2, 4, 7, 13, 14, 17, 23, 26, 28, 34, 46, 49, 52, 68, 91, 92, 98, 119, 161, 182, 196, 221, 238, 299, 307, 322, 364, 391, 442, 476, 598, 614, 637, 644, 782, 833, 884, 1127, 1196, 1228, 1274, 1547, 1564, 1666, 2093, 2149, 2254, 2548, 2737, 3094, 3332, 3991, 4186, 4298, 4508, 5083, 5219, 5474, 6188, 7061, 7982, 8372, 8596, 10166, 10438, 10829, 10948, 14122, 14651, 15043, 15964, 19159, 20332, 20876, 21658, 27937, 28244, 29302, 30086, 35581, 36533, 38318, 43316, 49427, 55874, 58604, 60172, 67847, 71162, 73066, 76636, 91793, 98854, 111748, 120037, 135694, 142324, 146132, 183586, 195559, 197708, 240074, 249067, 255731, 271388, 345989, 367172, 391118, 474929, 480148, 498134, 511462, 642551, 691978, 782236, 840259, 949858, 996268, 1022924, 1285102, 1383956, 1560481, 1680518, 1899716, 2570204, 3120962, 3324503, 3361036, 4497857, 5881813, 6241924, 6649006, 8995714, 10923367, 11763626, 13298012, 17991428, 21846734, 23527252, 43693468, 76463569, 152927138, 305854276]

約数ペア:

[(1, 305854276), (2, 152927138), (4, 76463569), (7, 43693468), (13, 23527252), (14, 21846734), (17, 17991428), (23, 13298012), (26, 11763626), (28, 10923367), (34, 8995714), (46, 6649006), (49, 6241924), (52, 5881813), (68, 4497857), (91, 3361036), (92, 3324503), (98, 3120962), (119, 2570204), (161, 1899716), (182, 1680518), (196, 1560481), (221, 1383956), (238, 1285102), (299, 1022924), (307, 996268), (322, 949858), (364, 840259), (391, 782236), (442, 691978), (476, 642551), (598, 511462), (614, 498134), (637, 480148), (644, 474929), (782, 391118), (833, 367172), (884, 345989), (1127, 271388), (1196, 255731), (1228, 249067), (1274, 240074), (1547, 197708), (1564, 195559), (1666, 183586), (2093, 146132), (2149, 142324), (2254, 135694), (2548, 120037), (2737, 111748), (3094, 98854), (3332, 91793), (3991, 76636), (4186, 73066), (4298, 71162), (4508, 67847), (5083, 60172), (5219, 58604), (5474, 55874), (6188, 49427), (7061, 43316), (7982, 38318), (8372, 36533), (8596, 35581), (10166, 30086), (10438, 29302), (10829, 28244), (10948, 27937), (14122, 21658), (14651, 20876), (15043, 20332), (15964, 19159)]