858001900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72101}}^1$

素因数の和:72139

約数の個数: 72

約数和(自身を含む): 2253043296

約数和(自身を除く): 1395041396

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1700, 2380, 2975, 5950, 11900, 72101, 144202, 288404, 360505, 504707, 721010, 1009414, 1225717, 1442020, 1802525, 2018828, 2451434, 2523535, 3605050, 4902868, 5047070, 6128585, 7210100, 8580019, 10094140, 12257170, 12617675, 17160038, 24514340, 25235350, 30642925, 34320076, 42900095, 50470700, 61285850, 85800190, 122571700, 171600380, 214500475, 429000950, 858001900]

約数ペア:

[(1, 858001900), (2, 429000950), (4, 214500475), (5, 171600380), (7, 122571700), (10, 85800190), (14, 61285850), (17, 50470700), (20, 42900095), (25, 34320076), (28, 30642925), (34, 25235350), (35, 24514340), (50, 17160038), (68, 12617675), (70, 12257170), (85, 10094140), (100, 8580019), (119, 7210100), (140, 6128585), (170, 5047070), (175, 4902868), (238, 3605050), (340, 2523535), (350, 2451434), (425, 2018828), (476, 1802525), (595, 1442020), (700, 1225717), (850, 1009414), (1190, 721010), (1700, 504707), (2380, 360505), (2975, 288404), (5950, 144202), (11900, 72101)]