131876920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 356400000

約数和(自身を除く): 224523080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 109, 116, 140, 145, 149, 203, 218, 232, 280, 290, 298, 406, 436, 545, 580, 596, 745, 763, 812, 872, 1015, 1043, 1090, 1160, 1192, 1490, 1526, 1624, 2030, 2086, 2180, 2980, 3052, 3161, 3815, 4060, 4172, 4321, 4360, 5215, 5960, 6104, 6322, 7630, 8120, 8344, 8642, 10430, 12644, 15260, 15805, 16241, 17284, 20860, 21605, 22127, 25288, 30247, 30520, 31610, 32482, 34568, 41720, 43210, 44254, 60494, 63220, 64964, 81205, 86420, 88508, 110635, 113687, 120988, 126440, 129928, 151235, 162410, 172840, 177016, 221270, 227374, 241976, 302470, 324820, 442540, 454748, 470989, 568435, 604940, 649640, 885080, 909496, 941978, 1136870, 1209880, 1883956, 2273740, 2354945, 3296923, 3767912, 4547480, 4709890, 6593846, 9419780, 13187692, 16484615, 18839560, 26375384, 32969230, 65938460, 131876920]

約数ペア:

[(1, 131876920), (2, 65938460), (4, 32969230), (5, 26375384), (7, 18839560), (8, 16484615), (10, 13187692), (14, 9419780), (20, 6593846), (28, 4709890), (29, 4547480), (35, 3767912), (40, 3296923), (56, 2354945), (58, 2273740), (70, 1883956), (109, 1209880), (116, 1136870), (140, 941978), (145, 909496), (149, 885080), (203, 649640), (218, 604940), (232, 568435), (280, 470989), (290, 454748), (298, 442540), (406, 324820), (436, 302470), (545, 241976), (580, 227374), (596, 221270), (745, 177016), (763, 172840), (812, 162410), (872, 151235), (1015, 129928), (1043, 126440), (1090, 120988), (1160, 113687), (1192, 110635), (1490, 88508), (1526, 86420), (1624, 81205), (2030, 64964), (2086, 63220), (2180, 60494), (2980, 44254), (3052, 43210), (3161, 41720), (3815, 34568), (4060, 32482), (4172, 31610), (4321, 30520), (4360, 30247), (5215, 25288), (5960, 22127), (6104, 21605), (6322, 20860), (7630, 17284), (8120, 16241), (8344, 15805), (8642, 15260), (10430, 12644)]