242758520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 568339200

約数和(自身を除く): 325580680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 1096, 1240, 1370, 1429, 2740, 2858, 4247, 5480, 5716, 7145, 8494, 11432, 14290, 16988, 21235, 28580, 33976, 42470, 44299, 57160, 84940, 88598, 169880, 177196, 195773, 221495, 354392, 391546, 442990, 783092, 885980, 978865, 1566184, 1771960, 1957730, 3915460, 6068963, 7830920, 12137926, 24275852, 30344815, 48551704, 60689630, 121379260, 242758520]

約数ペア:

[(1, 242758520), (2, 121379260), (4, 60689630), (5, 48551704), (8, 30344815), (10, 24275852), (20, 12137926), (31, 7830920), (40, 6068963), (62, 3915460), (124, 1957730), (137, 1771960), (155, 1566184), (248, 978865), (274, 885980), (310, 783092), (548, 442990), (620, 391546), (685, 354392), (1096, 221495), (1240, 195773), (1370, 177196), (1429, 169880), (2740, 88598), (2858, 84940), (4247, 57160), (5480, 44299), (5716, 42470), (7145, 33976), (8494, 28580), (11432, 21235), (14290, 16988)]