198344510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 266141890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 79, 89, 91, 130, 155, 158, 178, 182, 217, 310, 395, 403, 434, 445, 455, 553, 623, 790, 806, 890, 910, 1027, 1085, 1106, 1157, 1246, 2015, 2054, 2170, 2314, 2449, 2759, 2765, 2821, 3115, 4030, 4898, 5135, 5518, 5530, 5642, 5785, 6230, 7031, 7189, 8099, 10270, 11570, 12245, 13795, 14062, 14105, 14378, 16198, 17143, 19313, 24490, 27590, 28210, 31837, 34286, 35155, 35867, 35945, 38626, 40495, 49217, 63674, 70310, 71734, 71890, 80990, 85715, 91403, 96565, 98434, 159185, 171430, 179335, 182806, 193130, 217961, 222859, 246085, 251069, 318370, 358670, 435922, 445718, 457015, 492170, 502138, 639821, 914030, 1089805, 1114295, 1255345, 1279642, 1525727, 2179610, 2228590, 2510690, 2833493, 3051454, 3199105, 5666986, 6398210, 7628635, 14167465, 15257270, 19834451, 28334930, 39668902, 99172255, 198344510]

約数ペア:

[(1, 198344510), (2, 99172255), (5, 39668902), (7, 28334930), (10, 19834451), (13, 15257270), (14, 14167465), (26, 7628635), (31, 6398210), (35, 5666986), (62, 3199105), (65, 3051454), (70, 2833493), (79, 2510690), (89, 2228590), (91, 2179610), (130, 1525727), (155, 1279642), (158, 1255345), (178, 1114295), (182, 1089805), (217, 914030), (310, 639821), (395, 502138), (403, 492170), (434, 457015), (445, 445718), (455, 435922), (553, 358670), (623, 318370), (790, 251069), (806, 246085), (890, 222859), (910, 217961), (1027, 193130), (1085, 182806), (1106, 179335), (1157, 171430), (1246, 159185), (2015, 98434), (2054, 96565), (2170, 91403), (2314, 85715), (2449, 80990), (2759, 71890), (2765, 71734), (2821, 70310), (3115, 63674), (4030, 49217), (4898, 40495), (5135, 38626), (5518, 35945), (5530, 35867), (5642, 35155), (5785, 34286), (6230, 31837), (7031, 28210), (7189, 27590), (8099, 24490), (10270, 19313), (11570, 17143), (12245, 16198), (13795, 14378), (14062, 14105)]