18173750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 80

約数和(自身を含む): 40786944

約数和(自身を除く): 22613194

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 67, 70, 125, 134, 155, 175, 217, 250, 310, 335, 350, 434, 469, 625, 670, 775, 875, 938, 1085, 1250, 1550, 1675, 1750, 2077, 2170, 2345, 3350, 3875, 4154, 4375, 4690, 5425, 7750, 8375, 8750, 10385, 10850, 11725, 14539, 16750, 19375, 20770, 23450, 27125, 29078, 38750, 41875, 51925, 54250, 58625, 72695, 83750, 103850, 117250, 135625, 145390, 259625, 271250, 293125, 363475, 519250, 586250, 726950, 1298125, 1817375, 2596250, 3634750, 9086875, 18173750]

約数ペア:

[(1, 18173750), (2, 9086875), (5, 3634750), (7, 2596250), (10, 1817375), (14, 1298125), (25, 726950), (31, 586250), (35, 519250), (50, 363475), (62, 293125), (67, 271250), (70, 259625), (125, 145390), (134, 135625), (155, 117250), (175, 103850), (217, 83750), (250, 72695), (310, 58625), (335, 54250), (350, 51925), (434, 41875), (469, 38750), (625, 29078), (670, 27125), (775, 23450), (875, 20770), (938, 19375), (1085, 16750), (1250, 14539), (1550, 11725), (1675, 10850), (1750, 10385), (2077, 8750), (2170, 8375), (2345, 7750), (3350, 5425), (3875, 4690), (4154, 4375)]