18507400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 46012680

約数和(自身を除く): 27505280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 41, 50, 61, 74, 82, 100, 122, 148, 164, 185, 200, 205, 244, 296, 305, 328, 370, 410, 488, 610, 740, 820, 925, 1025, 1220, 1480, 1517, 1525, 1640, 1850, 2050, 2257, 2440, 2501, 3034, 3050, 3700, 4100, 4514, 5002, 6068, 6100, 7400, 7585, 8200, 9028, 10004, 11285, 12136, 12200, 12505, 15170, 18056, 20008, 22570, 25010, 30340, 37925, 45140, 50020, 56425, 60680, 62525, 75850, 90280, 92537, 100040, 112850, 125050, 151700, 185074, 225700, 250100, 303400, 370148, 451400, 462685, 500200, 740296, 925370, 1850740, 2313425, 3701480, 4626850, 9253700, 18507400]

約数ペア:

[(1, 18507400), (2, 9253700), (4, 4626850), (5, 3701480), (8, 2313425), (10, 1850740), (20, 925370), (25, 740296), (37, 500200), (40, 462685), (41, 451400), (50, 370148), (61, 303400), (74, 250100), (82, 225700), (100, 185074), (122, 151700), (148, 125050), (164, 112850), (185, 100040), (200, 92537), (205, 90280), (244, 75850), (296, 62525), (305, 60680), (328, 56425), (370, 50020), (410, 45140), (488, 37925), (610, 30340), (740, 25010), (820, 22570), (925, 20008), (1025, 18056), (1220, 15170), (1480, 12505), (1517, 12200), (1525, 12136), (1640, 11285), (1850, 10004), (2050, 9028), (2257, 8200), (2440, 7585), (2501, 7400), (3034, 6100), (3050, 6068), (3700, 5002), (4100, 4514)]