218680360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 509443200

約数和(自身を除く): 290762840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 278, 296, 370, 556, 695, 740, 1063, 1112, 1390, 1480, 2126, 2780, 4252, 5143, 5315, 5560, 8504, 10286, 10630, 20572, 21260, 25715, 39331, 41144, 42520, 51430, 78662, 102860, 147757, 157324, 196655, 205720, 295514, 314648, 393310, 591028, 738785, 786620, 1182056, 1477570, 1573240, 2955140, 5467009, 5910280, 10934018, 21868036, 27335045, 43736072, 54670090, 109340180, 218680360]

約数ペア:

[(1, 218680360), (2, 109340180), (4, 54670090), (5, 43736072), (8, 27335045), (10, 21868036), (20, 10934018), (37, 5910280), (40, 5467009), (74, 2955140), (139, 1573240), (148, 1477570), (185, 1182056), (278, 786620), (296, 738785), (370, 591028), (556, 393310), (695, 314648), (740, 295514), (1063, 205720), (1112, 196655), (1390, 157324), (1480, 147757), (2126, 102860), (2780, 78662), (4252, 51430), (5143, 42520), (5315, 41144), (5560, 39331), (8504, 25715), (10286, 21260), (10630, 20572)]