78946520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 188892000

約数和(自身を除く): 109945480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 953, 1090, 1906, 2071, 2180, 3812, 4142, 4360, 4765, 7624, 8284, 9530, 10355, 16568, 18107, 19060, 20710, 36214, 38120, 41420, 72428, 82840, 90535, 103877, 144856, 181070, 207754, 362140, 415508, 519385, 724280, 831016, 1038770, 1973663, 2077540, 3947326, 4155080, 7894652, 9868315, 15789304, 19736630, 39473260, 78946520]

約数ペア:

[(1, 78946520), (2, 39473260), (4, 19736630), (5, 15789304), (8, 9868315), (10, 7894652), (19, 4155080), (20, 3947326), (38, 2077540), (40, 1973663), (76, 1038770), (95, 831016), (109, 724280), (152, 519385), (190, 415508), (218, 362140), (380, 207754), (436, 181070), (545, 144856), (760, 103877), (872, 90535), (953, 82840), (1090, 72428), (1906, 41420), (2071, 38120), (2180, 36214), (3812, 20710), (4142, 19060), (4360, 18107), (4765, 16568), (7624, 10355), (8284, 9530)]