395145520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2843

約数の個数: 160

約数和(自身を含む): 1195637760

約数和(自身を除く): 800492240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 220, 230, 253, 280, 308, 322, 368, 385, 440, 460, 506, 560, 616, 644, 770, 805, 880, 920, 1012, 1232, 1265, 1288, 1540, 1610, 1771, 1840, 2024, 2530, 2576, 2789, 3080, 3220, 3542, 4048, 5060, 5578, 6160, 6440, 7084, 8855, 10120, 11156, 12880, 13945, 14168, 17710, 19523, 20240, 22312, 27890, 28336, 30679, 35420, 39046, 44624, 55780, 61358, 64147, 70840, 78092, 97615, 111560, 122716, 128294, 141680, 153395, 156184, 195230, 214753, 223120, 245432, 256588, 306790, 312368, 320735, 390460, 429506, 449029, 490864, 513176, 613580, 641470, 705617, 780920, 859012, 898058, 1026352, 1073765, 1227160, 1282940, 1411234, 1561840, 1718024, 1796116, 2147530, 2245145, 2454320, 2565880, 2822468, 3436048, 3528085, 3592232, 4295060, 4490290, 4939319, 5131760, 5644936, 7056170, 7184464, 8590120, 8980580, 9878638, 11289872, 14112340, 17180240, 17961160, 19757276, 24696595, 28224680, 35922320, 39514552, 49393190, 56449360, 79029104, 98786380, 197572760, 395145520]

約数ペア:

[(1, 395145520), (2, 197572760), (4, 98786380), (5, 79029104), (7, 56449360), (8, 49393190), (10, 39514552), (11, 35922320), (14, 28224680), (16, 24696595), (20, 19757276), (22, 17961160), (23, 17180240), (28, 14112340), (35, 11289872), (40, 9878638), (44, 8980580), (46, 8590120), (55, 7184464), (56, 7056170), (70, 5644936), (77, 5131760), (80, 4939319), (88, 4490290), (92, 4295060), (110, 3592232), (112, 3528085), (115, 3436048), (140, 2822468), (154, 2565880), (161, 2454320), (176, 2245145), (184, 2147530), (220, 1796116), (230, 1718024), (253, 1561840), (280, 1411234), (308, 1282940), (322, 1227160), (368, 1073765), (385, 1026352), (440, 898058), (460, 859012), (506, 780920), (560, 705617), (616, 641470), (644, 613580), (770, 513176), (805, 490864), (880, 449029), (920, 429506), (1012, 390460), (1232, 320735), (1265, 312368), (1288, 306790), (1540, 256588), (1610, 245432), (1771, 223120), (1840, 214753), (2024, 195230), (2530, 156184), (2576, 153395), (2789, 141680), (3080, 128294), (3220, 122716), (3542, 111560), (4048, 97615), (5060, 78092), (5578, 70840), (6160, 64147), (6440, 61358), (7084, 55780), (8855, 44624), (10120, 39046), (11156, 35420), (12880, 30679), (13945, 28336), (14168, 27890), (17710, 22312), (19523, 20240)]