2018736700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{1291}}^1$

素因数の和:2147

約数の個数: 72

約数和(自身を含む): 4620398720

約数和(自身を除く): 2601662020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 823, 950, 1291, 1646, 1900, 2582, 3292, 4115, 5164, 6455, 8230, 12910, 15637, 16460, 20575, 24529, 25820, 31274, 32275, 41150, 49058, 62548, 64550, 78185, 82300, 98116, 122645, 129100, 156370, 245290, 312740, 390925, 490580, 613225, 781850, 1062493, 1226450, 1563700, 2124986, 2452900, 4249972, 5312465, 10624930, 20187367, 21249860, 26562325, 40374734, 53124650, 80749468, 100936835, 106249300, 201873670, 403747340, 504684175, 1009368350, 2018736700]

約数ペア:

[(1, 2018736700), (2, 1009368350), (4, 504684175), (5, 403747340), (10, 201873670), (19, 106249300), (20, 100936835), (25, 80749468), (38, 53124650), (50, 40374734), (76, 26562325), (95, 21249860), (100, 20187367), (190, 10624930), (380, 5312465), (475, 4249972), (823, 2452900), (950, 2124986), (1291, 1563700), (1646, 1226450), (1900, 1062493), (2582, 781850), (3292, 613225), (4115, 490580), (5164, 390925), (6455, 312740), (8230, 245290), (12910, 156370), (15637, 129100), (16460, 122645), (20575, 98116), (24529, 82300), (25820, 78185), (31274, 64550), (32275, 62548), (41150, 49058)]