9008020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 22692096

約数和(自身を除く): 13684076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 47, 70, 74, 94, 140, 148, 185, 188, 235, 259, 329, 370, 470, 518, 658, 740, 940, 1036, 1295, 1316, 1369, 1645, 1739, 2590, 2738, 3290, 3478, 5180, 5476, 6580, 6845, 6956, 8695, 9583, 12173, 13690, 17390, 19166, 24346, 27380, 34780, 38332, 47915, 48692, 60865, 64343, 95830, 121730, 128686, 191660, 243460, 257372, 321715, 450401, 643430, 900802, 1286860, 1801604, 2252005, 4504010, 9008020]

約数ペア:

[(1, 9008020), (2, 4504010), (4, 2252005), (5, 1801604), (7, 1286860), (10, 900802), (14, 643430), (20, 450401), (28, 321715), (35, 257372), (37, 243460), (47, 191660), (70, 128686), (74, 121730), (94, 95830), (140, 64343), (148, 60865), (185, 48692), (188, 47915), (235, 38332), (259, 34780), (329, 27380), (370, 24346), (470, 19166), (518, 17390), (658, 13690), (740, 12173), (940, 9583), (1036, 8695), (1295, 6956), (1316, 6845), (1369, 6580), (1645, 5476), (1739, 5180), (2590, 3478), (2738, 3290)]