1556143700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6449}}^1$

素因数の和:6609

約数の個数: 72

約数和(自身を含む): 3583104000

約数和(自身を除く): 2026960300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 127, 190, 254, 380, 475, 508, 635, 950, 1270, 1900, 2413, 2540, 3175, 4826, 6350, 6449, 9652, 12065, 12700, 12898, 24130, 25796, 32245, 48260, 60325, 64490, 120650, 122531, 128980, 161225, 241300, 245062, 322450, 490124, 612655, 644900, 819023, 1225310, 1638046, 2450620, 3063275, 3276092, 4095115, 6126550, 8190230, 12253100, 15561437, 16380460, 20475575, 31122874, 40951150, 62245748, 77807185, 81902300, 155614370, 311228740, 389035925, 778071850, 1556143700]

約数ペア:

[(1, 1556143700), (2, 778071850), (4, 389035925), (5, 311228740), (10, 155614370), (19, 81902300), (20, 77807185), (25, 62245748), (38, 40951150), (50, 31122874), (76, 20475575), (95, 16380460), (100, 15561437), (127, 12253100), (190, 8190230), (254, 6126550), (380, 4095115), (475, 3276092), (508, 3063275), (635, 2450620), (950, 1638046), (1270, 1225310), (1900, 819023), (2413, 644900), (2540, 612655), (3175, 490124), (4826, 322450), (6350, 245062), (6449, 241300), (9652, 161225), (12065, 128980), (12700, 122531), (12898, 120650), (24130, 64490), (25796, 60325), (32245, 48260)]