1390253750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{58537}}^1$

素因数の和:58578

約数の個数: 40

約数和(自身を含む): 2743090680

約数和(自身を除く): 1352836930

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 4750, 11875, 23750, 58537, 117074, 292685, 585370, 1112203, 1463425, 2224406, 2926850, 5561015, 7317125, 11122030, 14634250, 27805075, 36585625, 55610150, 73171250, 139025375, 278050750, 695126875, 1390253750]

約数ペア:

[(1, 1390253750), (2, 695126875), (5, 278050750), (10, 139025375), (19, 73171250), (25, 55610150), (38, 36585625), (50, 27805075), (95, 14634250), (125, 11122030), (190, 7317125), (250, 5561015), (475, 2926850), (625, 2224406), (950, 1463425), (1250, 1112203), (2375, 585370), (4750, 292685), (11875, 117074), (23750, 58537)]