57191900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 134991360

約数和(自身を除く): 77799460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 971, 1178, 1550, 1900, 1942, 2356, 2945, 3100, 3884, 4855, 5890, 9710, 11780, 14725, 18449, 19420, 24275, 29450, 30101, 36898, 48550, 58900, 60202, 73796, 92245, 97100, 120404, 150505, 184490, 301010, 368980, 461225, 571919, 602020, 752525, 922450, 1143838, 1505050, 1844900, 2287676, 2859595, 3010100, 5719190, 11438380, 14297975, 28595950, 57191900]

約数ペア:

[(1, 57191900), (2, 28595950), (4, 14297975), (5, 11438380), (10, 5719190), (19, 3010100), (20, 2859595), (25, 2287676), (31, 1844900), (38, 1505050), (50, 1143838), (62, 922450), (76, 752525), (95, 602020), (100, 571919), (124, 461225), (155, 368980), (190, 301010), (310, 184490), (380, 150505), (475, 120404), (589, 97100), (620, 92245), (775, 73796), (950, 60202), (971, 58900), (1178, 48550), (1550, 36898), (1900, 30101), (1942, 29450), (2356, 24275), (2945, 19420), (3100, 18449), (3884, 14725), (4855, 11780), (5890, 9710)]