40382860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 99973440

約数和(自身を除く): 59590580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 463, 490, 623, 890, 926, 980, 1246, 1780, 1852, 2315, 2492, 3115, 3241, 4361, 4630, 6230, 6482, 8722, 9260, 12460, 12964, 16205, 17444, 21805, 22687, 32410, 41207, 43610, 45374, 64820, 82414, 87220, 90748, 113435, 164828, 206035, 226870, 288449, 412070, 453740, 576898, 824140, 1153796, 1442245, 2019143, 2884490, 4038286, 5768980, 8076572, 10095715, 20191430, 40382860]

約数ペア:

[(1, 40382860), (2, 20191430), (4, 10095715), (5, 8076572), (7, 5768980), (10, 4038286), (14, 2884490), (20, 2019143), (28, 1442245), (35, 1153796), (49, 824140), (70, 576898), (89, 453740), (98, 412070), (140, 288449), (178, 226870), (196, 206035), (245, 164828), (356, 113435), (445, 90748), (463, 87220), (490, 82414), (623, 64820), (890, 45374), (926, 43610), (980, 41207), (1246, 32410), (1780, 22687), (1852, 21805), (2315, 17444), (2492, 16205), (3115, 12964), (3241, 12460), (4361, 9260), (4630, 8722), (6230, 6482)]