71979500

素因数分解:

$2^2\times 5^3\times {\mathrm{359}}^1\times {\mathrm{401}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 158034240

約数和(自身を除く): 86054740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 359, 401, 500, 718, 802, 1436, 1604, 1795, 2005, 3590, 4010, 7180, 8020, 8975, 10025, 17950, 20050, 35900, 40100, 44875, 50125, 89750, 100250, 143959, 179500, 200500, 287918, 575836, 719795, 1439590, 2879180, 3598975, 7197950, 14395900, 17994875, 35989750, 71979500]

約数ペア:

[(1, 71979500), (2, 35989750), (4, 17994875), (5, 14395900), (10, 7197950), (20, 3598975), (25, 2879180), (50, 1439590), (100, 719795), (125, 575836), (250, 287918), (359, 200500), (401, 179500), (500, 143959), (718, 100250), (802, 89750), (1436, 50125), (1604, 44875), (1795, 40100), (2005, 35900), (3590, 20050), (4010, 17950), (7180, 10025), (8020, 8975)]