204698970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 655200000

約数和(自身を除く): 450501030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 343, 349, 399, 441, 490, 570, 630, 665, 686, 698, 735, 798, 855, 882, 931, 1029, 1047, 1197, 1330, 1470, 1710, 1715, 1745, 1862, 1995, 2058, 2094, 2205, 2394, 2443, 2793, 3087, 3141, 3430, 3490, 3990, 4410, 4655, 4886, 5145, 5235, 5586, 5985, 6174, 6282, 6517, 6631, 7329, 8379, 9310, 10290, 10470, 11970, 12215, 13034, 13262, 13965, 14658, 15435, 15705, 16758, 17101, 19551, 19893, 21987, 24430, 27930, 30870, 31410, 32585, 33155, 34202, 36645, 39102, 39786, 41895, 43974, 46417, 51303, 58653, 59679, 65170, 66310, 73290, 83790, 85505, 92834, 97755, 99465, 102606, 109935, 117306, 119358, 119707, 139251, 153909, 171010, 195510, 198930, 219870, 232085, 239414, 256515, 278502, 293265, 298395, 307818, 324919, 359121, 417753, 464170, 513030, 586530, 596790, 598535, 649838, 696255, 718242, 769545, 835506, 974757, 1077363, 1197070, 1392510, 1539090, 1624595, 1795605, 1949514, 2088765, 2154726, 2274433, 2924271, 3249190, 3591210, 4177530, 4548866, 4873785, 5386815, 5848542, 6823299, 9747570, 10773630, 11372165, 13646598, 14621355, 20469897, 22744330, 29242710, 34116495, 40939794, 68232990, 102349485, 204698970]

約数ペア:

[(1, 204698970), (2, 102349485), (3, 68232990), (5, 40939794), (6, 34116495), (7, 29242710), (9, 22744330), (10, 20469897), (14, 14621355), (15, 13646598), (18, 11372165), (19, 10773630), (21, 9747570), (30, 6823299), (35, 5848542), (38, 5386815), (42, 4873785), (45, 4548866), (49, 4177530), (57, 3591210), (63, 3249190), (70, 2924271), (90, 2274433), (95, 2154726), (98, 2088765), (105, 1949514), (114, 1795605), (126, 1624595), (133, 1539090), (147, 1392510), (171, 1197070), (190, 1077363), (210, 974757), (245, 835506), (266, 769545), (285, 718242), (294, 696255), (315, 649838), (342, 598535), (343, 596790), (349, 586530), (399, 513030), (441, 464170), (490, 417753), (570, 359121), (630, 324919), (665, 307818), (686, 298395), (698, 293265), (735, 278502), (798, 256515), (855, 239414), (882, 232085), (931, 219870), (1029, 198930), (1047, 195510), (1197, 171010), (1330, 153909), (1470, 139251), (1710, 119707), (1715, 119358), (1745, 117306), (1862, 109935), (1995, 102606), (2058, 99465), (2094, 97755), (2205, 92834), (2394, 85505), (2443, 83790), (2793, 73290), (3087, 66310), (3141, 65170), (3430, 59679), (3490, 58653), (3990, 51303), (4410, 46417), (4655, 43974), (4886, 41895), (5145, 39786), (5235, 39102), (5586, 36645), (5985, 34202), (6174, 33155), (6282, 32585), (6517, 31410), (6631, 30870), (7329, 27930), (8379, 24430), (9310, 21987), (10290, 19893), (10470, 19551), (11970, 17101), (12215, 16758), (13034, 15705), (13262, 15435), (13965, 14658)]