31001000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1119

約数の個数: 64

約数和(自身を含む): 75114000

約数和(自身を除く): 44113000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 725, 1000, 1069, 1160, 1450, 2138, 2900, 3625, 4276, 5345, 5800, 7250, 8552, 10690, 14500, 21380, 26725, 29000, 31001, 42760, 53450, 62002, 106900, 124004, 133625, 155005, 213800, 248008, 267250, 310010, 534500, 620020, 775025, 1069000, 1240040, 1550050, 3100100, 3875125, 6200200, 7750250, 15500500, 31001000]

約数ペア:

[(1, 31001000), (2, 15500500), (4, 7750250), (5, 6200200), (8, 3875125), (10, 3100100), (20, 1550050), (25, 1240040), (29, 1069000), (40, 775025), (50, 620020), (58, 534500), (100, 310010), (116, 267250), (125, 248008), (145, 213800), (200, 155005), (232, 133625), (250, 124004), (290, 106900), (500, 62002), (580, 53450), (725, 42760), (1000, 31001), (1069, 29000), (1160, 26725), (1450, 21380), (2138, 14500), (2900, 10690), (3625, 8552), (4276, 7250), (5345, 5800)]