1285486070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 2561461056

約数和(自身を除く): 1275974986

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 197, 274, 394, 433, 685, 866, 985, 1370, 1507, 1970, 2165, 2167, 3014, 4330, 4334, 4763, 7535, 9526, 10835, 15070, 21670, 23815, 26989, 47630, 53978, 59321, 85301, 118642, 134945, 170602, 269890, 296605, 296879, 426505, 593210, 593758, 652531, 853010, 938311, 1305062, 1484395, 1876622, 2968790, 3262655, 4691555, 6525310, 9383110, 11686237, 23372474, 58431185, 116862370, 128548607, 257097214, 642743035, 1285486070]

約数ペア:

[(1, 1285486070), (2, 642743035), (5, 257097214), (10, 128548607), (11, 116862370), (22, 58431185), (55, 23372474), (110, 11686237), (137, 9383110), (197, 6525310), (274, 4691555), (394, 3262655), (433, 2968790), (685, 1876622), (866, 1484395), (985, 1305062), (1370, 938311), (1507, 853010), (1970, 652531), (2165, 593758), (2167, 593210), (3014, 426505), (4330, 296879), (4334, 296605), (4763, 269890), (7535, 170602), (9526, 134945), (10835, 118642), (15070, 85301), (21670, 59321), (23815, 53978), (26989, 47630)]