2021813890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 3779758080

約数和(自身を除く): 1757944190

約数列:

[1, 2, 5, 10, 61, 89, 122, 167, 178, 223, 305, 334, 445, 446, 610, 835, 890, 1115, 1670, 2230, 5429, 10187, 10858, 13603, 14863, 19847, 20374, 27145, 27206, 29726, 37241, 39694, 50935, 54290, 68015, 74315, 74482, 99235, 101870, 136030, 148630, 186205, 198470, 372410, 906643, 1210667, 1813286, 2271701, 2421334, 3314449, 4533215, 4543402, 6053335, 6628898, 9066430, 11358505, 12106670, 16572245, 22717010, 33144490, 202181389, 404362778, 1010906945, 2021813890]

約数ペア:

[(1, 2021813890), (2, 1010906945), (5, 404362778), (10, 202181389), (61, 33144490), (89, 22717010), (122, 16572245), (167, 12106670), (178, 11358505), (223, 9066430), (305, 6628898), (334, 6053335), (445, 4543402), (446, 4533215), (610, 3314449), (835, 2421334), (890, 2271701), (1115, 1813286), (1670, 1210667), (2230, 906643), (5429, 372410), (10187, 198470), (10858, 186205), (13603, 148630), (14863, 136030), (19847, 101870), (20374, 99235), (27145, 74482), (27206, 74315), (29726, 68015), (37241, 54290), (39694, 50935)]