257679200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{18947}}^1$

素因数の和:18984

約数の個数: 72

約数和(自身を含む): 666097992

約数和(自身を除く): 408418792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2720, 3400, 6800, 13600, 18947, 37894, 75788, 94735, 151576, 189470, 303152, 322099, 378940, 473675, 606304, 644198, 757880, 947350, 1288396, 1515760, 1610495, 1894700, 2576792, 3031520, 3220990, 3789400, 5153584, 6441980, 7578800, 8052475, 10307168, 12883960, 15157600, 16104950, 25767920, 32209900, 51535840, 64419800, 128839600, 257679200]

約数ペア:

[(1, 257679200), (2, 128839600), (4, 64419800), (5, 51535840), (8, 32209900), (10, 25767920), (16, 16104950), (17, 15157600), (20, 12883960), (25, 10307168), (32, 8052475), (34, 7578800), (40, 6441980), (50, 5153584), (68, 3789400), (80, 3220990), (85, 3031520), (100, 2576792), (136, 1894700), (160, 1610495), (170, 1515760), (200, 1288396), (272, 947350), (340, 757880), (400, 644198), (425, 606304), (544, 473675), (680, 378940), (800, 322099), (850, 303152), (1360, 189470), (1700, 151576), (2720, 94735), (3400, 75788), (6800, 37894), (13600, 18947)]