42714920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 98960400

約数和(自身を除く): 56245480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 109, 194, 202, 218, 388, 404, 436, 485, 505, 545, 776, 808, 872, 970, 1010, 1090, 1940, 2020, 2180, 3880, 4040, 4360, 9797, 10573, 11009, 19594, 21146, 22018, 39188, 42292, 44036, 48985, 52865, 55045, 78376, 84584, 88072, 97970, 105730, 110090, 195940, 211460, 220180, 391880, 422920, 440360, 1067873, 2135746, 4271492, 5339365, 8542984, 10678730, 21357460, 42714920]

約数ペア:

[(1, 42714920), (2, 21357460), (4, 10678730), (5, 8542984), (8, 5339365), (10, 4271492), (20, 2135746), (40, 1067873), (97, 440360), (101, 422920), (109, 391880), (194, 220180), (202, 211460), (218, 195940), (388, 110090), (404, 105730), (436, 97970), (485, 88072), (505, 84584), (545, 78376), (776, 55045), (808, 52865), (872, 48985), (970, 44036), (1010, 42292), (1090, 39188), (1940, 22018), (2020, 21146), (2180, 19594), (3880, 11009), (4040, 10573), (4360, 9797)]