285910212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 785756160

約数和(自身を除く): 499845948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 139, 141, 188, 278, 282, 329, 417, 521, 556, 564, 658, 834, 973, 987, 1042, 1316, 1563, 1668, 1946, 1974, 2084, 2919, 3126, 3647, 3892, 3948, 5838, 6252, 6533, 7294, 10941, 11676, 13066, 14588, 19599, 21882, 24487, 26132, 39198, 43764, 45731, 48974, 72419, 73461, 78396, 91462, 97948, 137193, 144838, 146922, 171409, 182924, 217257, 274386, 289676, 293844, 342818, 434514, 506933, 514227, 548772, 685636, 869028, 1013866, 1028454, 1520799, 2027732, 2056908, 3041598, 3403693, 6083196, 6807386, 10211079, 13614772, 20422158, 23825851, 40844316, 47651702, 71477553, 95303404, 142955106, 285910212]

約数ペア:

[(1, 285910212), (2, 142955106), (3, 95303404), (4, 71477553), (6, 47651702), (7, 40844316), (12, 23825851), (14, 20422158), (21, 13614772), (28, 10211079), (42, 6807386), (47, 6083196), (84, 3403693), (94, 3041598), (139, 2056908), (141, 2027732), (188, 1520799), (278, 1028454), (282, 1013866), (329, 869028), (417, 685636), (521, 548772), (556, 514227), (564, 506933), (658, 434514), (834, 342818), (973, 293844), (987, 289676), (1042, 274386), (1316, 217257), (1563, 182924), (1668, 171409), (1946, 146922), (1974, 144838), (2084, 137193), (2919, 97948), (3126, 91462), (3647, 78396), (3892, 73461), (3948, 72419), (5838, 48974), (6252, 45731), (6533, 43764), (7294, 39198), (10941, 26132), (11676, 24487), (13066, 21882), (14588, 19599)]