140442380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 328284432

約数和(自身を除く): 187842052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 481, 676, 740, 845, 962, 1123, 1690, 1924, 2246, 2405, 3380, 4492, 4810, 5615, 6253, 9620, 11230, 12506, 14599, 22460, 25012, 29198, 31265, 41551, 58396, 62530, 72995, 83102, 125060, 145990, 166204, 189787, 207755, 291980, 379574, 415510, 540163, 759148, 831020, 948935, 1080326, 1897870, 2160652, 2700815, 3795740, 5401630, 7022119, 10803260, 14044238, 28088476, 35110595, 70221190, 140442380]

約数ペア:

[(1, 140442380), (2, 70221190), (4, 35110595), (5, 28088476), (10, 14044238), (13, 10803260), (20, 7022119), (26, 5401630), (37, 3795740), (52, 2700815), (65, 2160652), (74, 1897870), (130, 1080326), (148, 948935), (169, 831020), (185, 759148), (260, 540163), (338, 415510), (370, 379574), (481, 291980), (676, 207755), (740, 189787), (845, 166204), (962, 145990), (1123, 125060), (1690, 83102), (1924, 72995), (2246, 62530), (2405, 58396), (3380, 41551), (4492, 31265), (4810, 29198), (5615, 25012), (6253, 22460), (9620, 14599), (11230, 12506)]