2129341720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{21319}}^1$

素因数の和:21568

約数の個数: 64

約数和(自身を含む): 5249836800

約数和(自身を除く): 3120495080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1816, 2270, 2497, 4540, 4994, 9080, 9988, 12485, 19976, 21319, 24970, 42638, 49940, 85276, 99880, 106595, 170552, 213190, 234509, 426380, 469018, 852760, 938036, 1172545, 1876072, 2345090, 4690180, 4839413, 9380360, 9678826, 19357652, 24197065, 38715304, 48394130, 53233543, 96788260, 106467086, 193576520, 212934172, 266167715, 425868344, 532335430, 1064670860, 2129341720]

約数ペア:

[(1, 2129341720), (2, 1064670860), (4, 532335430), (5, 425868344), (8, 266167715), (10, 212934172), (11, 193576520), (20, 106467086), (22, 96788260), (40, 53233543), (44, 48394130), (55, 38715304), (88, 24197065), (110, 19357652), (220, 9678826), (227, 9380360), (440, 4839413), (454, 4690180), (908, 2345090), (1135, 1876072), (1816, 1172545), (2270, 938036), (2497, 852760), (4540, 469018), (4994, 426380), (9080, 234509), (9988, 213190), (12485, 170552), (19976, 106595), (21319, 99880), (24970, 85276), (42638, 49940)]