191281880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 439538400

約数和(自身を除く): 248256520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 113, 202, 226, 404, 419, 452, 505, 565, 808, 838, 904, 1010, 1130, 1676, 2020, 2095, 2260, 3352, 4040, 4190, 4520, 8380, 11413, 16760, 22826, 42319, 45652, 47347, 57065, 84638, 91304, 94694, 114130, 169276, 189388, 211595, 228260, 236735, 338552, 378776, 423190, 456520, 473470, 846380, 946940, 1692760, 1893880, 4782047, 9564094, 19128188, 23910235, 38256376, 47820470, 95640940, 191281880]

約数ペア:

[(1, 191281880), (2, 95640940), (4, 47820470), (5, 38256376), (8, 23910235), (10, 19128188), (20, 9564094), (40, 4782047), (101, 1893880), (113, 1692760), (202, 946940), (226, 846380), (404, 473470), (419, 456520), (452, 423190), (505, 378776), (565, 338552), (808, 236735), (838, 228260), (904, 211595), (1010, 189388), (1130, 169276), (1676, 114130), (2020, 94694), (2095, 91304), (2260, 84638), (3352, 57065), (4040, 47347), (4190, 45652), (4520, 42319), (8380, 22826), (11413, 16760)]