291567640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11443}}^1$

素因数の和:11481

約数の個数: 96

約数和(自身を含む): 821908080

約数和(自身を除く): 530340440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 11443, 12740, 22886, 25480, 45772, 57215, 80101, 91544, 114430, 148759, 160202, 228860, 297518, 320404, 400505, 457720, 560707, 595036, 640808, 743795, 801010, 1041313, 1121414, 1190072, 1487590, 1602020, 2082626, 2242828, 2803535, 2975180, 3204040, 4165252, 4485656, 5206565, 5607070, 5950360, 7289191, 8330504, 10413130, 11214140, 14578382, 20826260, 22428280, 29156764, 36445955, 41652520, 58313528, 72891910, 145783820, 291567640]

約数ペア:

[(1, 291567640), (2, 145783820), (4, 72891910), (5, 58313528), (7, 41652520), (8, 36445955), (10, 29156764), (13, 22428280), (14, 20826260), (20, 14578382), (26, 11214140), (28, 10413130), (35, 8330504), (40, 7289191), (49, 5950360), (52, 5607070), (56, 5206565), (65, 4485656), (70, 4165252), (91, 3204040), (98, 2975180), (104, 2803535), (130, 2242828), (140, 2082626), (182, 1602020), (196, 1487590), (245, 1190072), (260, 1121414), (280, 1041313), (364, 801010), (392, 743795), (455, 640808), (490, 595036), (520, 560707), (637, 457720), (728, 400505), (910, 320404), (980, 297518), (1274, 228860), (1820, 160202), (1960, 148759), (2548, 114430), (3185, 91544), (3640, 80101), (5096, 57215), (6370, 45772), (11443, 25480), (12740, 22886)]