84168100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 198598400

約数和(自身を除く): 114430300

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, 1178, 1429, 1550, 1900, 2356, 2858, 2945, 3100, 5716, 5890, 7145, 11780, 14290, 14725, 27151, 28580, 29450, 35725, 44299, 54302, 58900, 71450, 88598, 108604, 135755, 142900, 177196, 221495, 271510, 442990, 543020, 678775, 841681, 885980, 1107475, 1357550, 1683362, 2214950, 2715100, 3366724, 4208405, 4429900, 8416810, 16833620, 21042025, 42084050, 84168100]

約数ペア:

[(1, 84168100), (2, 42084050), (4, 21042025), (5, 16833620), (10, 8416810), (19, 4429900), (20, 4208405), (25, 3366724), (31, 2715100), (38, 2214950), (50, 1683362), (62, 1357550), (76, 1107475), (95, 885980), (100, 841681), (124, 678775), (155, 543020), (190, 442990), (310, 271510), (380, 221495), (475, 177196), (589, 142900), (620, 135755), (775, 108604), (950, 88598), (1178, 71450), (1429, 58900), (1550, 54302), (1900, 44299), (2356, 35725), (2858, 29450), (2945, 28580), (3100, 27151), (5716, 14725), (5890, 14290), (7145, 11780)]