243542988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 710892000

約数和(自身を除く): 467349012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 61, 76, 78, 114, 117, 122, 156, 171, 183, 228, 234, 244, 247, 342, 366, 449, 468, 494, 549, 684, 732, 741, 793, 898, 988, 1098, 1159, 1347, 1482, 1586, 1796, 2196, 2223, 2318, 2379, 2694, 2964, 3172, 3477, 4041, 4446, 4636, 4758, 5388, 5837, 6954, 7137, 8082, 8531, 8892, 9516, 10431, 11674, 13908, 14274, 15067, 16164, 17062, 17511, 20862, 23348, 25593, 27389, 28548, 30134, 34124, 35022, 41724, 45201, 51186, 52533, 54778, 60268, 70044, 76779, 82167, 90402, 102372, 105066, 109556, 110903, 135603, 153558, 164334, 180804, 210132, 221806, 246501, 271206, 307116, 328668, 332709, 356057, 443612, 493002, 520391, 542412, 665418, 712114, 986004, 998127, 1040782, 1068171, 1330836, 1424228, 1561173, 1996254, 2081564, 2136342, 3122346, 3204513, 3992508, 4272684, 4683519, 6244692, 6409026, 6765083, 9367038, 12818052, 13530166, 18734076, 20295249, 27060332, 40590498, 60885747, 81180996, 121771494, 243542988]

約数ペア:

[(1, 243542988), (2, 121771494), (3, 81180996), (4, 60885747), (6, 40590498), (9, 27060332), (12, 20295249), (13, 18734076), (18, 13530166), (19, 12818052), (26, 9367038), (36, 6765083), (38, 6409026), (39, 6244692), (52, 4683519), (57, 4272684), (61, 3992508), (76, 3204513), (78, 3122346), (114, 2136342), (117, 2081564), (122, 1996254), (156, 1561173), (171, 1424228), (183, 1330836), (228, 1068171), (234, 1040782), (244, 998127), (247, 986004), (342, 712114), (366, 665418), (449, 542412), (468, 520391), (494, 493002), (549, 443612), (684, 356057), (732, 332709), (741, 328668), (793, 307116), (898, 271206), (988, 246501), (1098, 221806), (1159, 210132), (1347, 180804), (1482, 164334), (1586, 153558), (1796, 135603), (2196, 110903), (2223, 109556), (2318, 105066), (2379, 102372), (2694, 90402), (2964, 82167), (3172, 76779), (3477, 70044), (4041, 60268), (4446, 54778), (4636, 52533), (4758, 51186), (5388, 45201), (5837, 41724), (6954, 35022), (7137, 34124), (8082, 30134), (8531, 28548), (8892, 27389), (9516, 25593), (10431, 23348), (11674, 20862), (13908, 17511), (14274, 17062), (15067, 16164)]