281696660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 717776640

約数和(自身を除く): 436079980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 137, 140, 190, 266, 274, 380, 532, 548, 665, 685, 773, 959, 1330, 1370, 1546, 1918, 2603, 2660, 2740, 3092, 3836, 3865, 4795, 5206, 5411, 7730, 9590, 10412, 10822, 13015, 14687, 15460, 18221, 19180, 21644, 26030, 27055, 29374, 36442, 52060, 54110, 58748, 72884, 73435, 91105, 102809, 105901, 108220, 146870, 182210, 205618, 211802, 293740, 364420, 411236, 423604, 514045, 529505, 741307, 1028090, 1059010, 1482614, 2012119, 2056180, 2118020, 2965228, 3706535, 4024238, 7413070, 8048476, 10060595, 14084833, 14826140, 20121190, 28169666, 40242380, 56339332, 70424165, 140848330, 281696660]

約数ペア:

[(1, 281696660), (2, 140848330), (4, 70424165), (5, 56339332), (7, 40242380), (10, 28169666), (14, 20121190), (19, 14826140), (20, 14084833), (28, 10060595), (35, 8048476), (38, 7413070), (70, 4024238), (76, 3706535), (95, 2965228), (133, 2118020), (137, 2056180), (140, 2012119), (190, 1482614), (266, 1059010), (274, 1028090), (380, 741307), (532, 529505), (548, 514045), (665, 423604), (685, 411236), (773, 364420), (959, 293740), (1330, 211802), (1370, 205618), (1546, 182210), (1918, 146870), (2603, 108220), (2660, 105901), (2740, 102809), (3092, 91105), (3836, 73435), (3865, 72884), (4795, 58748), (5206, 54110), (5411, 52060), (7730, 36442), (9590, 29374), (10412, 27055), (10822, 26030), (13015, 21644), (14687, 19180), (15460, 18221)]