208095440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1637}}^1$

素因数の和:1884

約数の個数: 80

約数和(自身を含む): 555714432

約数和(自身を除く): 347618992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1637, 1816, 2270, 3178, 3274, 3632, 4540, 6356, 6548, 7945, 8185, 9080, 11459, 12712, 13096, 15890, 16370, 18160, 22918, 25424, 26192, 31780, 32740, 45836, 57295, 63560, 65480, 91672, 114590, 127120, 130960, 183344, 229180, 371599, 458360, 743198, 916720, 1486396, 1857995, 2601193, 2972792, 3715990, 5202386, 5945584, 7431980, 10404772, 13005965, 14863960, 20809544, 26011930, 29727920, 41619088, 52023860, 104047720, 208095440]

約数ペア:

[(1, 208095440), (2, 104047720), (4, 52023860), (5, 41619088), (7, 29727920), (8, 26011930), (10, 20809544), (14, 14863960), (16, 13005965), (20, 10404772), (28, 7431980), (35, 5945584), (40, 5202386), (56, 3715990), (70, 2972792), (80, 2601193), (112, 1857995), (140, 1486396), (227, 916720), (280, 743198), (454, 458360), (560, 371599), (908, 229180), (1135, 183344), (1589, 130960), (1637, 127120), (1816, 114590), (2270, 91672), (3178, 65480), (3274, 63560), (3632, 57295), (4540, 45836), (6356, 32740), (6548, 31780), (7945, 26192), (8185, 25424), (9080, 22918), (11459, 18160), (12712, 16370), (13096, 15890)]