218509600

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3847}}^1$

素因数の和:3938

約数の個数: 72

約数和(自身を含む): 541090368

約数和(自身を除く): 322580768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1775, 2272, 2840, 3550, 3847, 5680, 7100, 7694, 11360, 14200, 15388, 19235, 28400, 30776, 38470, 56800, 61552, 76940, 96175, 123104, 153880, 192350, 273137, 307760, 384700, 546274, 615520, 769400, 1092548, 1365685, 1538800, 2185096, 2731370, 3077600, 4370192, 5462740, 6828425, 8740384, 10925480, 13656850, 21850960, 27313700, 43701920, 54627400, 109254800, 218509600]

約数ペア:

[(1, 218509600), (2, 109254800), (4, 54627400), (5, 43701920), (8, 27313700), (10, 21850960), (16, 13656850), (20, 10925480), (25, 8740384), (32, 6828425), (40, 5462740), (50, 4370192), (71, 3077600), (80, 2731370), (100, 2185096), (142, 1538800), (160, 1365685), (200, 1092548), (284, 769400), (355, 615520), (400, 546274), (568, 384700), (710, 307760), (800, 273137), (1136, 192350), (1420, 153880), (1775, 123104), (2272, 96175), (2840, 76940), (3550, 61552), (3847, 56800), (5680, 38470), (7100, 30776), (7694, 28400), (11360, 19235), (14200, 15388)]