157186300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 350602560

約数和(自身を除く): 193416260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 101, 158, 197, 202, 316, 394, 395, 404, 505, 788, 790, 985, 1010, 1580, 1970, 1975, 2020, 2525, 3940, 3950, 4925, 5050, 7900, 7979, 9850, 10100, 15563, 15958, 19700, 19897, 31126, 31916, 39794, 39895, 62252, 77815, 79588, 79790, 99485, 155630, 159580, 198970, 199475, 311260, 389075, 397940, 398950, 497425, 778150, 797900, 994850, 1556300, 1571863, 1989700, 3143726, 6287452, 7859315, 15718630, 31437260, 39296575, 78593150, 157186300]

約数ペア:

[(1, 157186300), (2, 78593150), (4, 39296575), (5, 31437260), (10, 15718630), (20, 7859315), (25, 6287452), (50, 3143726), (79, 1989700), (100, 1571863), (101, 1556300), (158, 994850), (197, 797900), (202, 778150), (316, 497425), (394, 398950), (395, 397940), (404, 389075), (505, 311260), (788, 199475), (790, 198970), (985, 159580), (1010, 155630), (1580, 99485), (1970, 79790), (1975, 79588), (2020, 77815), (2525, 62252), (3940, 39895), (3950, 39794), (4925, 31916), (5050, 31126), (7900, 19897), (7979, 19700), (9850, 15958), (10100, 15563)]