20198971250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{29327}}^1$

素因数の和:29397

約数の個数: 80

約数和(自身を含む): 41229302400

約数和(自身を除く): 21030331150

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 125, 145, 190, 250, 290, 475, 551, 625, 725, 950, 1102, 1250, 1450, 2375, 2755, 3625, 4750, 5510, 7250, 11875, 13775, 18125, 23750, 27550, 29327, 36250, 58654, 68875, 137750, 146635, 293270, 344375, 557213, 688750, 733175, 850483, 1114426, 1466350, 1700966, 2786065, 3665875, 4252415, 5572130, 7331750, 8504830, 13930325, 16159177, 18329375, 21262075, 27860650, 32318354, 36658750, 42524150, 69651625, 80795885, 106310375, 139303250, 161591770, 212620750, 348258125, 403979425, 531551875, 696516250, 807958850, 1063103750, 2019897125, 4039794250, 10099485625, 20198971250]

約数ペア:

[(1, 20198971250), (2, 10099485625), (5, 4039794250), (10, 2019897125), (19, 1063103750), (25, 807958850), (29, 696516250), (38, 531551875), (50, 403979425), (58, 348258125), (95, 212620750), (125, 161591770), (145, 139303250), (190, 106310375), (250, 80795885), (290, 69651625), (475, 42524150), (551, 36658750), (625, 32318354), (725, 27860650), (950, 21262075), (1102, 18329375), (1250, 16159177), (1450, 13930325), (2375, 8504830), (2755, 7331750), (3625, 5572130), (4750, 4252415), (5510, 3665875), (7250, 2786065), (11875, 1700966), (13775, 1466350), (18125, 1114426), (23750, 850483), (27550, 733175), (29327, 688750), (36250, 557213), (58654, 344375), (68875, 293270), (137750, 146635)]