76860340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 165473280

約数和(自身を除く): 88612940

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 479, 565, 710, 958, 1130, 1420, 1916, 2260, 2395, 4790, 8023, 9580, 16046, 32092, 34009, 40115, 54127, 68018, 80230, 108254, 136036, 160460, 170045, 216508, 270635, 340090, 541270, 680180, 1082540, 3843017, 7686034, 15372068, 19215085, 38430170, 76860340]

約数ペア:

[(1, 76860340), (2, 38430170), (4, 19215085), (5, 15372068), (10, 7686034), (20, 3843017), (71, 1082540), (113, 680180), (142, 541270), (226, 340090), (284, 270635), (355, 216508), (452, 170045), (479, 160460), (565, 136036), (710, 108254), (958, 80230), (1130, 68018), (1420, 54127), (1916, 40115), (2260, 34009), (2395, 32092), (4790, 16046), (8023, 9580)]