127911800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:897

約数の個数: 96

約数和(自身を含む): 321073200

約数和(自身を除く): 193161400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 152, 164, 190, 200, 205, 328, 380, 410, 475, 760, 779, 820, 821, 950, 1025, 1558, 1640, 1642, 1900, 2050, 3116, 3284, 3800, 3895, 4100, 4105, 6232, 6568, 7790, 8200, 8210, 15580, 15599, 16420, 19475, 20525, 31160, 31198, 32840, 33661, 38950, 41050, 62396, 67322, 77900, 77995, 82100, 124792, 134644, 155800, 155990, 164200, 168305, 269288, 311980, 336610, 389975, 623960, 639559, 673220, 779950, 841525, 1279118, 1346440, 1559900, 1683050, 2558236, 3119800, 3197795, 3366100, 5116472, 6395590, 6732200, 12791180, 15988975, 25582360, 31977950, 63955900, 127911800]

約数ペア:

[(1, 127911800), (2, 63955900), (4, 31977950), (5, 25582360), (8, 15988975), (10, 12791180), (19, 6732200), (20, 6395590), (25, 5116472), (38, 3366100), (40, 3197795), (41, 3119800), (50, 2558236), (76, 1683050), (82, 1559900), (95, 1346440), (100, 1279118), (152, 841525), (164, 779950), (190, 673220), (200, 639559), (205, 623960), (328, 389975), (380, 336610), (410, 311980), (475, 269288), (760, 168305), (779, 164200), (820, 155990), (821, 155800), (950, 134644), (1025, 124792), (1558, 82100), (1640, 77995), (1642, 77900), (1900, 67322), (2050, 62396), (3116, 41050), (3284, 38950), (3800, 33661), (3895, 32840), (4100, 31198), (4105, 31160), (6232, 20525), (6568, 19475), (7790, 16420), (8200, 15599), (8210, 15580)]