31320340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 36981740

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 461, 790, 860, 922, 1580, 1844, 2305, 3397, 4610, 6794, 9220, 13588, 16985, 19823, 33970, 36419, 39646, 67940, 72838, 79292, 99115, 145676, 182095, 198230, 364190, 396460, 728380, 1566017, 3132034, 6264068, 7830085, 15660170, 31320340]

約数ペア:

[(1, 31320340), (2, 15660170), (4, 7830085), (5, 6264068), (10, 3132034), (20, 1566017), (43, 728380), (79, 396460), (86, 364190), (158, 198230), (172, 182095), (215, 145676), (316, 99115), (395, 79292), (430, 72838), (461, 67940), (790, 39646), (860, 36419), (922, 33970), (1580, 19823), (1844, 16985), (2305, 13588), (3397, 9220), (4610, 6794)]