20408968300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{23957}}^1$

素因数の和:25195

約数の個数: 72

約数和(自身を含む): 50657945184

約数和(自身を除く): 30248976884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 1217, 2434, 4868, 6085, 8519, 12170, 17038, 23957, 24340, 30425, 34076, 42595, 47914, 60850, 85190, 95828, 119785, 121700, 167699, 170380, 212975, 239570, 335398, 425950, 479140, 598925, 670796, 838495, 851900, 1197850, 1676990, 2395700, 3353980, 4192475, 8384950, 16769900, 29155669, 58311338, 116622676, 145778345, 204089683, 291556690, 408179366, 583113380, 728891725, 816358732, 1020448415, 1457783450, 2040896830, 2915566900, 4081793660, 5102242075, 10204484150, 20408968300]

約数ペア:

[(1, 20408968300), (2, 10204484150), (4, 5102242075), (5, 4081793660), (7, 2915566900), (10, 2040896830), (14, 1457783450), (20, 1020448415), (25, 816358732), (28, 728891725), (35, 583113380), (50, 408179366), (70, 291556690), (100, 204089683), (140, 145778345), (175, 116622676), (350, 58311338), (700, 29155669), (1217, 16769900), (2434, 8384950), (4868, 4192475), (6085, 3353980), (8519, 2395700), (12170, 1676990), (17038, 1197850), (23957, 851900), (24340, 838495), (30425, 670796), (34076, 598925), (42595, 479140), (47914, 425950), (60850, 335398), (85190, 239570), (95828, 212975), (119785, 170380), (121700, 167699)]