157400845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 243855360

約数和(自身を除く): 86454515

約数列:

[1, 5, 7, 19, 23, 35, 41, 95, 115, 133, 161, 205, 251, 287, 437, 665, 779, 805, 943, 1255, 1435, 1757, 2185, 3059, 3895, 4715, 4769, 5453, 5773, 6601, 8785, 10291, 15295, 17917, 23845, 27265, 28865, 33005, 33383, 40411, 51455, 72037, 89585, 109687, 125419, 166915, 195529, 202055, 236693, 360185, 548435, 627095, 767809, 977645, 1183465, 1368703, 1656851, 3839045, 4497167, 6843515, 8284255, 22485835, 31480169, 157400845]

約数ペア:

[(1, 157400845), (5, 31480169), (7, 22485835), (19, 8284255), (23, 6843515), (35, 4497167), (41, 3839045), (95, 1656851), (115, 1368703), (133, 1183465), (161, 977645), (205, 767809), (251, 627095), (287, 548435), (437, 360185), (665, 236693), (779, 202055), (805, 195529), (943, 166915), (1255, 125419), (1435, 109687), (1757, 89585), (2185, 72037), (3059, 51455), (3895, 40411), (4715, 33383), (4769, 33005), (5453, 28865), (5773, 27265), (6601, 23845), (8785, 17917), (10291, 15295)]