18374217200

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{3217}}^1$

素因数の和:3475

約数の個数: 120

約数和(自身を含む): 44903070960

約数和(自身を除く): 26528853760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 131, 200, 218, 262, 400, 436, 524, 545, 655, 872, 1048, 1090, 1310, 1744, 2096, 2180, 2620, 2725, 3217, 3275, 4360, 5240, 5450, 6434, 6550, 8720, 10480, 10900, 12868, 13100, 14279, 16085, 21800, 25736, 26200, 28558, 32170, 43600, 51472, 52400, 57116, 64340, 71395, 80425, 114232, 128680, 142790, 160850, 228464, 257360, 285580, 321700, 350653, 356975, 421427, 571160, 643400, 701306, 713950, 842854, 1142320, 1286800, 1402612, 1427900, 1685708, 1753265, 2107135, 2805224, 2855800, 3371416, 3506530, 4214270, 5610448, 5711600, 6742832, 7013060, 8428540, 8766325, 10535675, 14026120, 16857080, 17532650, 21071350, 28052240, 33714160, 35065300, 42142700, 45935543, 70130600, 84285400, 91871086, 140261200, 168570800, 183742172, 229677715, 367484344, 459355430, 734968688, 918710860, 1148388575, 1837421720, 2296777150, 3674843440, 4593554300, 9187108600, 18374217200]

約数ペア:

[(1, 18374217200), (2, 9187108600), (4, 4593554300), (5, 3674843440), (8, 2296777150), (10, 1837421720), (16, 1148388575), (20, 918710860), (25, 734968688), (40, 459355430), (50, 367484344), (80, 229677715), (100, 183742172), (109, 168570800), (131, 140261200), (200, 91871086), (218, 84285400), (262, 70130600), (400, 45935543), (436, 42142700), (524, 35065300), (545, 33714160), (655, 28052240), (872, 21071350), (1048, 17532650), (1090, 16857080), (1310, 14026120), (1744, 10535675), (2096, 8766325), (2180, 8428540), (2620, 7013060), (2725, 6742832), (3217, 5711600), (3275, 5610448), (4360, 4214270), (5240, 3506530), (5450, 3371416), (6434, 2855800), (6550, 2805224), (8720, 2107135), (10480, 1753265), (10900, 1685708), (12868, 1427900), (13100, 1402612), (14279, 1286800), (16085, 1142320), (21800, 842854), (25736, 713950), (26200, 701306), (28558, 643400), (32170, 571160), (43600, 421427), (51472, 356975), (52400, 350653), (57116, 321700), (64340, 285580), (71395, 257360), (80425, 228464), (114232, 160850), (128680, 142790)]