83778620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 183092448

約数和(自身を除く): 99313828

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1220, 1597, 2623, 3194, 5246, 6388, 7985, 10492, 13115, 15970, 26230, 31940, 52460, 68671, 97417, 137342, 194834, 274684, 343355, 389668, 487085, 686710, 974170, 1373420, 1948340, 4188931, 8377862, 16755724, 20944655, 41889310, 83778620]

約数ペア:

[(1, 83778620), (2, 41889310), (4, 20944655), (5, 16755724), (10, 8377862), (20, 4188931), (43, 1948340), (61, 1373420), (86, 974170), (122, 686710), (172, 487085), (215, 389668), (244, 343355), (305, 274684), (430, 194834), (610, 137342), (860, 97417), (1220, 68671), (1597, 52460), (2623, 31940), (3194, 26230), (5246, 15970), (6388, 13115), (7985, 10492)]