156977199700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{797}}^1\times {\mathrm{19501}}^1$

素因数の和:20413

約数の個数: 72

約数和(自身を含む): 344462499864

約数和(自身を除く): 187485300164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 797, 1010, 1594, 2020, 2525, 3188, 3985, 5050, 7970, 10100, 15940, 19501, 19925, 39002, 39850, 78004, 79700, 80497, 97505, 160994, 195010, 321988, 390020, 402485, 487525, 804970, 975050, 1609940, 1950100, 1969601, 2012425, 3939202, 4024850, 7878404, 8049700, 9848005, 15542297, 19696010, 31084594, 39392020, 49240025, 62169188, 77711485, 98480050, 155422970, 196960100, 310845940, 388557425, 777114850, 1554229700, 1569771997, 3139543994, 6279087988, 7848859985, 15697719970, 31395439940, 39244299925, 78488599850, 156977199700]

約数ペア:

[(1, 156977199700), (2, 78488599850), (4, 39244299925), (5, 31395439940), (10, 15697719970), (20, 7848859985), (25, 6279087988), (50, 3139543994), (100, 1569771997), (101, 1554229700), (202, 777114850), (404, 388557425), (505, 310845940), (797, 196960100), (1010, 155422970), (1594, 98480050), (2020, 77711485), (2525, 62169188), (3188, 49240025), (3985, 39392020), (5050, 31084594), (7970, 19696010), (10100, 15542297), (15940, 9848005), (19501, 8049700), (19925, 7878404), (39002, 4024850), (39850, 3939202), (78004, 2012425), (79700, 1969601), (80497, 1950100), (97505, 1609940), (160994, 975050), (195010, 804970), (321988, 487525), (390020, 402485)]