125398100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 295814400

約数和(自身を除く): 170416300

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, 1550, 1900, 2129, 2356, 2945, 3100, 4258, 5890, 8516, 10645, 11780, 14725, 21290, 29450, 40451, 42580, 53225, 58900, 65999, 80902, 106450, 131998, 161804, 202255, 212900, 263996, 329995, 404510, 659990, 809020, 1011275, 1253981, 1319980, 1649975, 2022550, 2507962, 3299950, 4045100, 5015924, 6269905, 6599900, 12539810, 25079620, 31349525, 62699050, 125398100]

約数ペア:

[(1, 125398100), (2, 62699050), (4, 31349525), (5, 25079620), (10, 12539810), (19, 6599900), (20, 6269905), (25, 5015924), (31, 4045100), (38, 3299950), (50, 2507962), (62, 2022550), (76, 1649975), (95, 1319980), (100, 1253981), (124, 1011275), (155, 809020), (190, 659990), (310, 404510), (380, 329995), (475, 263996), (589, 212900), (620, 202255), (775, 161804), (950, 131998), (1178, 106450), (1550, 80902), (1900, 65999), (2129, 58900), (2356, 53225), (2945, 42580), (3100, 40451), (4258, 29450), (5890, 21290), (8516, 14725), (10645, 11780)]