2021096900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 4449506880

約数和(自身を除く): 2428409980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 317, 412, 515, 619, 634, 1030, 1238, 1268, 1585, 2060, 2476, 2575, 3095, 3170, 5150, 6190, 6340, 7925, 10300, 12380, 15475, 15850, 30950, 31700, 32651, 61900, 63757, 65302, 127514, 130604, 163255, 196223, 255028, 318785, 326510, 392446, 637570, 653020, 784892, 816275, 981115, 1275140, 1593925, 1632550, 1962230, 3187850, 3265100, 3924460, 4905575, 6375700, 9811150, 19622300, 20210969, 40421938, 80843876, 101054845, 202109690, 404219380, 505274225, 1010548450, 2021096900]

約数ペア:

[(1, 2021096900), (2, 1010548450), (4, 505274225), (5, 404219380), (10, 202109690), (20, 101054845), (25, 80843876), (50, 40421938), (100, 20210969), (103, 19622300), (206, 9811150), (317, 6375700), (412, 4905575), (515, 3924460), (619, 3265100), (634, 3187850), (1030, 1962230), (1238, 1632550), (1268, 1593925), (1585, 1275140), (2060, 981115), (2476, 816275), (2575, 784892), (3095, 653020), (3170, 637570), (5150, 392446), (6190, 326510), (6340, 318785), (7925, 255028), (10300, 196223), (12380, 163255), (15475, 130604), (15850, 127514), (30950, 65302), (31700, 63757), (32651, 61900)]