217619970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{1439}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 530115840

約数和(自身を除く): 312495870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 1439, 2130, 2878, 4317, 5041, 7195, 8634, 10082, 14390, 15123, 21585, 25205, 30246, 43170, 50410, 75615, 102169, 151230, 204338, 306507, 510845, 613014, 1021690, 1532535, 3065070, 7253999, 14507998, 21761997, 36269995, 43523994, 72539990, 108809985, 217619970]

約数ペア:

[(1, 217619970), (2, 108809985), (3, 72539990), (5, 43523994), (6, 36269995), (10, 21761997), (15, 14507998), (30, 7253999), (71, 3065070), (142, 1532535), (213, 1021690), (355, 613014), (426, 510845), (710, 306507), (1065, 204338), (1439, 151230), (2130, 102169), (2878, 75615), (4317, 50410), (5041, 43170), (7195, 30246), (8634, 25205), (10082, 21585), (14390, 15123)]