90908860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38197}}^1$

素因数の和:38230

約数の個数: 48

約数和(自身を含む): 231021504

約数和(自身を除く): 140112644

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 38197, 76394, 152788, 190985, 267379, 381970, 534758, 649349, 763940, 1069516, 1298698, 1336895, 2597396, 2673790, 3246745, 4545443, 5347580, 6493490, 9090886, 12986980, 18181772, 22727215, 45454430, 90908860]

約数ペア:

[(1, 90908860), (2, 45454430), (4, 22727215), (5, 18181772), (7, 12986980), (10, 9090886), (14, 6493490), (17, 5347580), (20, 4545443), (28, 3246745), (34, 2673790), (35, 2597396), (68, 1336895), (70, 1298698), (85, 1069516), (119, 763940), (140, 649349), (170, 534758), (238, 381970), (340, 267379), (476, 190985), (595, 152788), (1190, 76394), (2380, 38197)]