980760500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{19421}}^1$

素因数の和:19541

約数の個数: 48

約数和(自身を含む): 2163300048

約数和(自身を除く): 1182539548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 5050, 10100, 12625, 19421, 25250, 38842, 50500, 77684, 97105, 194210, 388420, 485525, 971050, 1942100, 1961521, 2427625, 3923042, 4855250, 7846084, 9710500, 9807605, 19615210, 39230420, 49038025, 98076050, 196152100, 245190125, 490380250, 980760500]

約数ペア:

[(1, 980760500), (2, 490380250), (4, 245190125), (5, 196152100), (10, 98076050), (20, 49038025), (25, 39230420), (50, 19615210), (100, 9807605), (101, 9710500), (125, 7846084), (202, 4855250), (250, 3923042), (404, 2427625), (500, 1961521), (505, 1942100), (1010, 971050), (2020, 485525), (2525, 388420), (5050, 194210), (10100, 97105), (12625, 77684), (19421, 50500), (25250, 38842)]