89900020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33797}}^1$

素因数の和:33832

約数の個数: 48

約数和(自身を含む): 227122560

約数和(自身を除く): 137222540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 33797, 67594, 135188, 168985, 236579, 337970, 473158, 642143, 675940, 946316, 1182895, 1284286, 2365790, 2568572, 3210715, 4495001, 4731580, 6421430, 8990002, 12842860, 17980004, 22475005, 44950010, 89900020]

約数ペア:

[(1, 89900020), (2, 44950010), (4, 22475005), (5, 17980004), (7, 12842860), (10, 8990002), (14, 6421430), (19, 4731580), (20, 4495001), (28, 3210715), (35, 2568572), (38, 2365790), (70, 1284286), (76, 1182895), (95, 946316), (133, 675940), (140, 642143), (190, 473158), (266, 337970), (380, 236579), (532, 168985), (665, 135188), (1330, 67594), (2660, 33797)]