231380900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 524133120

約数和(自身を除く): 292752220

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 101, 124, 155, 202, 310, 404, 505, 620, 739, 775, 1010, 1478, 1550, 2020, 2525, 2956, 3100, 3131, 3695, 5050, 6262, 7390, 10100, 12524, 14780, 15655, 18475, 22909, 31310, 36950, 45818, 62620, 73900, 74639, 78275, 91636, 114545, 149278, 156550, 229090, 298556, 313100, 373195, 458180, 572725, 746390, 1145450, 1492780, 1865975, 2290900, 2313809, 3731950, 4627618, 7463900, 9255236, 11569045, 23138090, 46276180, 57845225, 115690450, 231380900]

約数ペア:

[(1, 231380900), (2, 115690450), (4, 57845225), (5, 46276180), (10, 23138090), (20, 11569045), (25, 9255236), (31, 7463900), (50, 4627618), (62, 3731950), (100, 2313809), (101, 2290900), (124, 1865975), (155, 1492780), (202, 1145450), (310, 746390), (404, 572725), (505, 458180), (620, 373195), (739, 313100), (775, 298556), (1010, 229090), (1478, 156550), (1550, 149278), (2020, 114545), (2525, 91636), (2956, 78275), (3100, 74639), (3131, 73900), (3695, 62620), (5050, 45818), (6262, 36950), (7390, 31310), (10100, 22909), (12524, 18475), (14780, 15655)]