290740856

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{65719}}^1$

素因数の和:65811

約数の個数: 32

約数和(自身を含む): 630912000

約数和(自身を除く): 340171144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 65719, 131438, 262876, 460033, 525752, 920066, 1840132, 3680264, 5191801, 10383602, 20767204, 36342607, 41534408, 72685214, 145370428, 290740856]

約数ペア:

[(1, 290740856), (2, 145370428), (4, 72685214), (7, 41534408), (8, 36342607), (14, 20767204), (28, 10383602), (56, 5191801), (79, 3680264), (158, 1840132), (316, 920066), (553, 525752), (632, 460033), (1106, 262876), (2212, 131438), (4424, 65719)]