18748400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4261}}^1$

素因数の和:4290

約数の個数: 60

約数和(自身を含む): 49149384

約数和(自身を除く): 30400984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4261, 4400, 8522, 17044, 21305, 34088, 42610, 46871, 68176, 85220, 93742, 106525, 170440, 187484, 213050, 234355, 340880, 374968, 426100, 468710, 749936, 852200, 937420, 1171775, 1704400, 1874840, 2343550, 3749680, 4687100, 9374200, 18748400]

約数ペア:

[(1, 18748400), (2, 9374200), (4, 4687100), (5, 3749680), (8, 2343550), (10, 1874840), (11, 1704400), (16, 1171775), (20, 937420), (22, 852200), (25, 749936), (40, 468710), (44, 426100), (50, 374968), (55, 340880), (80, 234355), (88, 213050), (100, 187484), (110, 170440), (176, 106525), (200, 93742), (220, 85220), (275, 68176), (400, 46871), (440, 42610), (550, 34088), (880, 21305), (1100, 17044), (2200, 8522), (4261, 4400)]