2019998190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{331691}}^1$

素因数の和:331737

約数の個数: 64

約数和(自身を含む): 5731637760

約数和(自身を除く): 3711639570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 6090, 331691, 663382, 995073, 1658455, 1990146, 2321837, 3316910, 4643674, 4975365, 6965511, 9619039, 9950730, 11609185, 13931022, 19238078, 23218370, 28857117, 34827555, 48095195, 57714234, 67333273, 69655110, 96190390, 134666546, 144285585, 201999819, 288571170, 336666365, 403999638, 673332730, 1009999095, 2019998190]

約数ペア:

[(1, 2019998190), (2, 1009999095), (3, 673332730), (5, 403999638), (6, 336666365), (7, 288571170), (10, 201999819), (14, 144285585), (15, 134666546), (21, 96190390), (29, 69655110), (30, 67333273), (35, 57714234), (42, 48095195), (58, 34827555), (70, 28857117), (87, 23218370), (105, 19238078), (145, 13931022), (174, 11609185), (203, 9950730), (210, 9619039), (290, 6965511), (406, 4975365), (435, 4643674), (609, 3316910), (870, 2321837), (1015, 1990146), (1218, 1658455), (2030, 995073), (3045, 663382), (6090, 331691)]