205354548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 627070080

約数和(自身を除く): 421715532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 73, 84, 108, 122, 126, 146, 183, 189, 219, 244, 252, 292, 366, 378, 427, 438, 511, 549, 657, 732, 756, 854, 876, 1022, 1098, 1281, 1314, 1533, 1647, 1708, 1971, 2044, 2196, 2562, 2628, 3066, 3294, 3721, 3843, 3942, 4453, 4599, 5124, 6132, 6588, 7442, 7686, 7884, 8906, 9198, 11163, 11529, 13359, 13797, 14884, 15372, 17812, 18396, 22326, 23058, 26047, 26718, 27594, 31171, 33489, 40077, 44652, 46116, 52094, 53436, 55188, 62342, 66978, 78141, 80154, 93513, 100467, 104188, 120231, 124684, 133956, 156282, 160308, 187026, 200934, 234423, 240462, 271633, 280539, 312564, 374052, 401868, 468846, 480924, 543266, 561078, 703269, 814899, 841617, 937692, 1086532, 1122156, 1406538, 1629798, 1683234, 1901431, 2444697, 2813076, 3259596, 3366468, 3802862, 4889394, 5704293, 7334091, 7605724, 9778788, 11408586, 14668182, 17112879, 22817172, 29336364, 34225758, 51338637, 68451516, 102677274, 205354548]

約数ペア:

[(1, 205354548), (2, 102677274), (3, 68451516), (4, 51338637), (6, 34225758), (7, 29336364), (9, 22817172), (12, 17112879), (14, 14668182), (18, 11408586), (21, 9778788), (27, 7605724), (28, 7334091), (36, 5704293), (42, 4889394), (54, 3802862), (61, 3366468), (63, 3259596), (73, 2813076), (84, 2444697), (108, 1901431), (122, 1683234), (126, 1629798), (146, 1406538), (183, 1122156), (189, 1086532), (219, 937692), (244, 841617), (252, 814899), (292, 703269), (366, 561078), (378, 543266), (427, 480924), (438, 468846), (511, 401868), (549, 374052), (657, 312564), (732, 280539), (756, 271633), (854, 240462), (876, 234423), (1022, 200934), (1098, 187026), (1281, 160308), (1314, 156282), (1533, 133956), (1647, 124684), (1708, 120231), (1971, 104188), (2044, 100467), (2196, 93513), (2562, 80154), (2628, 78141), (3066, 66978), (3294, 62342), (3721, 55188), (3843, 53436), (3942, 52094), (4453, 46116), (4599, 44652), (5124, 40077), (6132, 33489), (6588, 31171), (7442, 27594), (7686, 26718), (7884, 26047), (8906, 23058), (9198, 22326), (11163, 18396), (11529, 17812), (13359, 15372), (13797, 14884)]