156629540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{17921}}^1$

素因数の和:17972

約数の個数: 48

約数和(自身を含む): 361307520

約数和(自身を除く): 204677980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 17921, 35842, 71684, 89605, 179210, 340499, 358420, 412183, 680998, 824366, 1361996, 1648732, 1702495, 2060915, 3404990, 4121830, 6809980, 7831477, 8243660, 15662954, 31325908, 39157385, 78314770, 156629540]

約数ペア:

[(1, 156629540), (2, 78314770), (4, 39157385), (5, 31325908), (10, 15662954), (19, 8243660), (20, 7831477), (23, 6809980), (38, 4121830), (46, 3404990), (76, 2060915), (92, 1702495), (95, 1648732), (115, 1361996), (190, 824366), (230, 680998), (380, 412183), (437, 358420), (460, 340499), (874, 179210), (1748, 89605), (2185, 71684), (4370, 35842), (8740, 17921)]