7321340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 17146080

約数和(自身を除く): 9824740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 971, 1508, 1885, 1942, 3770, 3884, 4855, 7540, 9710, 12623, 19420, 25246, 28159, 50492, 56318, 63115, 112636, 126230, 140795, 252460, 281590, 366067, 563180, 732134, 1464268, 1830335, 3660670, 7321340]

約数ペア:

[(1, 7321340), (2, 3660670), (4, 1830335), (5, 1464268), (10, 732134), (13, 563180), (20, 366067), (26, 281590), (29, 252460), (52, 140795), (58, 126230), (65, 112636), (116, 63115), (130, 56318), (145, 50492), (260, 28159), (290, 25246), (377, 19420), (580, 12623), (754, 9710), (971, 7540), (1508, 4855), (1885, 3884), (1942, 3770)]