2808045100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{129403}}^1$

素因数の和:129455

約数の個数: 72

約数和(自身を含む): 7188651008

約数和(自身を除く): 4380605908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4340, 5425, 10850, 21700, 129403, 258806, 517612, 647015, 905821, 1294030, 1811642, 2588060, 3235075, 3623284, 4011493, 4529105, 6470150, 8022986, 9058210, 12940300, 16045972, 18116420, 20057465, 22645525, 28080451, 40114930, 45291050, 56160902, 80229860, 90582100, 100287325, 112321804, 140402255, 200574650, 280804510, 401149300, 561609020, 702011275, 1404022550, 2808045100]

約数ペア:

[(1, 2808045100), (2, 1404022550), (4, 702011275), (5, 561609020), (7, 401149300), (10, 280804510), (14, 200574650), (20, 140402255), (25, 112321804), (28, 100287325), (31, 90582100), (35, 80229860), (50, 56160902), (62, 45291050), (70, 40114930), (100, 28080451), (124, 22645525), (140, 20057465), (155, 18116420), (175, 16045972), (217, 12940300), (310, 9058210), (350, 8022986), (434, 6470150), (620, 4529105), (700, 4011493), (775, 3623284), (868, 3235075), (1085, 2588060), (1550, 1811642), (2170, 1294030), (3100, 905821), (4340, 647015), (5425, 517612), (10850, 258806), (21700, 129403)]