22181900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 52642464

約数和(自身を除く): 30460564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 113, 130, 151, 226, 260, 302, 325, 452, 565, 604, 650, 755, 1130, 1300, 1469, 1510, 1963, 2260, 2825, 2938, 3020, 3775, 3926, 5650, 5876, 7345, 7550, 7852, 9815, 11300, 14690, 15100, 17063, 19630, 29380, 34126, 36725, 39260, 49075, 68252, 73450, 85315, 98150, 146900, 170630, 196300, 221819, 341260, 426575, 443638, 853150, 887276, 1109095, 1706300, 2218190, 4436380, 5545475, 11090950, 22181900]

約数ペア:

[(1, 22181900), (2, 11090950), (4, 5545475), (5, 4436380), (10, 2218190), (13, 1706300), (20, 1109095), (25, 887276), (26, 853150), (50, 443638), (52, 426575), (65, 341260), (100, 221819), (113, 196300), (130, 170630), (151, 146900), (226, 98150), (260, 85315), (302, 73450), (325, 68252), (452, 49075), (565, 39260), (604, 36725), (650, 34126), (755, 29380), (1130, 19630), (1300, 17063), (1469, 15100), (1510, 14690), (1963, 11300), (2260, 9815), (2825, 7852), (2938, 7550), (3020, 7345), (3775, 5876), (3926, 5650)]