490865284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1157

約数の個数: 96

約数和(自身を含む): 1119025152

約数和(自身を除く): 628159868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 41, 52, 62, 82, 91, 124, 164, 182, 217, 287, 364, 403, 434, 533, 574, 806, 868, 1061, 1066, 1148, 1271, 1612, 2122, 2132, 2542, 2821, 3731, 4244, 5084, 5642, 7427, 7462, 8897, 11284, 13793, 14854, 14924, 16523, 17794, 27586, 29708, 32891, 33046, 35588, 43501, 55172, 65782, 66092, 87002, 96551, 115661, 131564, 174004, 193102, 230237, 231322, 304507, 386204, 427583, 460474, 462644, 565513, 609014, 855166, 920948, 1131026, 1218028, 1348531, 1710332, 2262052, 2697062, 2993081, 3958591, 5394124, 5986162, 7917182, 9439717, 11972324, 15834364, 17530903, 18879434, 35061806, 37758868, 70123612, 122716321, 245432642, 490865284]

約数ペア:

[(1, 490865284), (2, 245432642), (4, 122716321), (7, 70123612), (13, 37758868), (14, 35061806), (26, 18879434), (28, 17530903), (31, 15834364), (41, 11972324), (52, 9439717), (62, 7917182), (82, 5986162), (91, 5394124), (124, 3958591), (164, 2993081), (182, 2697062), (217, 2262052), (287, 1710332), (364, 1348531), (403, 1218028), (434, 1131026), (533, 920948), (574, 855166), (806, 609014), (868, 565513), (1061, 462644), (1066, 460474), (1148, 427583), (1271, 386204), (1612, 304507), (2122, 231322), (2132, 230237), (2542, 193102), (2821, 174004), (3731, 131564), (4244, 115661), (5084, 96551), (5642, 87002), (7427, 66092), (7462, 65782), (8897, 55172), (11284, 43501), (13793, 35588), (14854, 33046), (14924, 32891), (16523, 29708), (17794, 27586)]