205186520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 192

約数和(自身を含む): 606735360

約数和(自身を除く): 401548840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 88, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 248, 280, 307, 308, 310, 341, 385, 392, 434, 440, 490, 539, 614, 616, 620, 682, 770, 868, 980, 1078, 1085, 1228, 1240, 1364, 1519, 1535, 1540, 1705, 1736, 1960, 2149, 2156, 2170, 2387, 2456, 2695, 2728, 3038, 3070, 3080, 3377, 3410, 4298, 4312, 4340, 4774, 5390, 6076, 6140, 6754, 6820, 7595, 8596, 8680, 9517, 9548, 10745, 10780, 11935, 12152, 12280, 13508, 13640, 15043, 15190, 16709, 16885, 17192, 19034, 19096, 21490, 21560, 23639, 23870, 27016, 30086, 30380, 33418, 33770, 38068, 42980, 47278, 47585, 47740, 60172, 60760, 66619, 66836, 67540, 75215, 76136, 83545, 85960, 94556, 95170, 95480, 104687, 118195, 120344, 133238, 133672, 135080, 150430, 165473, 167090, 189112, 190340, 209374, 236390, 266476, 300860, 330946, 333095, 334180, 380680, 418748, 466333, 472780, 523435, 532952, 601720, 661892, 666190, 668360, 732809, 827365, 837496, 932666, 945560, 1046870, 1323784, 1332380, 1465618, 1654730, 1865332, 2093740, 2331665, 2664760, 2931236, 3309460, 3664045, 3730664, 4187480, 4663330, 5129663, 5862472, 6618920, 7328090, 9326660, 10259326, 14656180, 18653320, 20518652, 25648315, 29312360, 41037304, 51296630, 102593260, 205186520]

約数ペア:

[(1, 205186520), (2, 102593260), (4, 51296630), (5, 41037304), (7, 29312360), (8, 25648315), (10, 20518652), (11, 18653320), (14, 14656180), (20, 10259326), (22, 9326660), (28, 7328090), (31, 6618920), (35, 5862472), (40, 5129663), (44, 4663330), (49, 4187480), (55, 3730664), (56, 3664045), (62, 3309460), (70, 2931236), (77, 2664760), (88, 2331665), (98, 2093740), (110, 1865332), (124, 1654730), (140, 1465618), (154, 1332380), (155, 1323784), (196, 1046870), (217, 945560), (220, 932666), (245, 837496), (248, 827365), (280, 732809), (307, 668360), (308, 666190), (310, 661892), (341, 601720), (385, 532952), (392, 523435), (434, 472780), (440, 466333), (490, 418748), (539, 380680), (614, 334180), (616, 333095), (620, 330946), (682, 300860), (770, 266476), (868, 236390), (980, 209374), (1078, 190340), (1085, 189112), (1228, 167090), (1240, 165473), (1364, 150430), (1519, 135080), (1535, 133672), (1540, 133238), (1705, 120344), (1736, 118195), (1960, 104687), (2149, 95480), (2156, 95170), (2170, 94556), (2387, 85960), (2456, 83545), (2695, 76136), (2728, 75215), (3038, 67540), (3070, 66836), (3080, 66619), (3377, 60760), (3410, 60172), (4298, 47740), (4312, 47585), (4340, 47278), (4774, 42980), (5390, 38068), (6076, 33770), (6140, 33418), (6754, 30380), (6820, 30086), (7595, 27016), (8596, 23870), (8680, 23639), (9517, 21560), (9548, 21490), (10745, 19096), (10780, 19034), (11935, 17192), (12152, 16885), (12280, 16709), (13508, 15190), (13640, 15043)]