222800720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89839}}^1$

素因数の和:89883

約数の個数: 40

約数和(自身を含む): 534727680

約数和(自身を除く): 311926960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 89839, 179678, 359356, 449195, 718712, 898390, 1437424, 1796780, 2785009, 3593560, 5570018, 7187120, 11140036, 13925045, 22280072, 27850090, 44560144, 55700180, 111400360, 222800720]

約数ペア:

[(1, 222800720), (2, 111400360), (4, 55700180), (5, 44560144), (8, 27850090), (10, 22280072), (16, 13925045), (20, 11140036), (31, 7187120), (40, 5570018), (62, 3593560), (80, 2785009), (124, 1796780), (155, 1437424), (248, 898390), (310, 718712), (496, 449195), (620, 359356), (1240, 179678), (2480, 89839)]