221449850

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 419839200

約数和(自身を除く): 198389350

約数列:

[1, 2, 5, 10, 25, 50, 109, 179, 218, 227, 358, 454, 545, 895, 1090, 1135, 1790, 2270, 2725, 4475, 5450, 5675, 8950, 11350, 19511, 24743, 39022, 40633, 49486, 81266, 97555, 123715, 195110, 203165, 247430, 406330, 487775, 618575, 975550, 1015825, 1237150, 2031650, 4428997, 8857994, 22144985, 44289970, 110724925, 221449850]

約数ペア:

[(1, 221449850), (2, 110724925), (5, 44289970), (10, 22144985), (25, 8857994), (50, 4428997), (109, 2031650), (179, 1237150), (218, 1015825), (227, 975550), (358, 618575), (454, 487775), (545, 406330), (895, 247430), (1090, 203165), (1135, 195110), (1790, 123715), (2270, 97555), (2725, 81266), (4475, 49486), (5450, 40633), (5675, 39022), (8950, 24743), (11350, 19511)]