1489590040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{1187}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 3393640800

約数和(自身を除く): 1904050760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 229, 274, 458, 548, 685, 916, 1096, 1145, 1187, 1370, 1832, 2290, 2374, 2740, 4580, 4748, 5480, 5935, 9160, 9496, 11870, 23740, 31373, 47480, 62746, 125492, 156865, 162619, 250984, 271823, 313730, 325238, 543646, 627460, 650476, 813095, 1087292, 1254920, 1300952, 1359115, 1626190, 2174584, 2718230, 3252380, 5436460, 6504760, 10872920, 37239751, 74479502, 148959004, 186198755, 297918008, 372397510, 744795020, 1489590040]

約数ペア:

[(1, 1489590040), (2, 744795020), (4, 372397510), (5, 297918008), (8, 186198755), (10, 148959004), (20, 74479502), (40, 37239751), (137, 10872920), (229, 6504760), (274, 5436460), (458, 3252380), (548, 2718230), (685, 2174584), (916, 1626190), (1096, 1359115), (1145, 1300952), (1187, 1254920), (1370, 1087292), (1832, 813095), (2290, 650476), (2374, 627460), (2740, 543646), (4580, 325238), (4748, 313730), (5480, 271823), (5935, 250984), (9160, 162619), (9496, 156865), (11870, 125492), (23740, 62746), (31373, 47480)]