77497180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 168426720

約数和(自身を除く): 90929540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 929, 970, 1858, 1940, 3716, 4171, 4645, 8342, 9290, 16684, 18580, 20855, 39947, 41710, 79894, 83420, 90113, 159788, 180226, 199735, 360452, 399470, 450565, 798940, 901130, 1802260, 3874859, 7749718, 15499436, 19374295, 38748590, 77497180]

約数ペア:

[(1, 77497180), (2, 38748590), (4, 19374295), (5, 15499436), (10, 7749718), (20, 3874859), (43, 1802260), (86, 901130), (97, 798940), (172, 450565), (194, 399470), (215, 360452), (388, 199735), (430, 180226), (485, 159788), (860, 90113), (929, 83420), (970, 79894), (1858, 41710), (1940, 39947), (3716, 20855), (4171, 18580), (4645, 16684), (8342, 9290)]