393984990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2247

約数の個数: 144

約数和(自身を含む): 1221227280

約数和(自身を除く): 827242290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 45, 49, 63, 70, 82, 90, 98, 105, 123, 126, 147, 205, 210, 245, 246, 287, 294, 315, 369, 410, 441, 490, 574, 615, 630, 735, 738, 861, 882, 1230, 1435, 1470, 1722, 1845, 2009, 2179, 2205, 2583, 2870, 3690, 4018, 4305, 4358, 4410, 5166, 6027, 6537, 8610, 10045, 10895, 12054, 12915, 13074, 15253, 18081, 19611, 20090, 21790, 25830, 30135, 30506, 32685, 36162, 39222, 45759, 60270, 65370, 76265, 89339, 90405, 91518, 98055, 106771, 137277, 152530, 178678, 180810, 196110, 213542, 228795, 268017, 274554, 320313, 446695, 457590, 533855, 536034, 625373, 640626, 686385, 804051, 893390, 960939, 1067710, 1250746, 1340085, 1372770, 1601565, 1608102, 1876119, 1921878, 2680170, 3126865, 3203130, 3752238, 4020255, 4377611, 4804695, 5628357, 6253730, 8040510, 8755222, 9380595, 9609390, 11256714, 13132833, 18761190, 21888055, 26265666, 28141785, 39398499, 43776110, 56283570, 65664165, 78796998, 131328330, 196992495, 393984990]

約数ペア:

[(1, 393984990), (2, 196992495), (3, 131328330), (5, 78796998), (6, 65664165), (7, 56283570), (9, 43776110), (10, 39398499), (14, 28141785), (15, 26265666), (18, 21888055), (21, 18761190), (30, 13132833), (35, 11256714), (41, 9609390), (42, 9380595), (45, 8755222), (49, 8040510), (63, 6253730), (70, 5628357), (82, 4804695), (90, 4377611), (98, 4020255), (105, 3752238), (123, 3203130), (126, 3126865), (147, 2680170), (205, 1921878), (210, 1876119), (245, 1608102), (246, 1601565), (287, 1372770), (294, 1340085), (315, 1250746), (369, 1067710), (410, 960939), (441, 893390), (490, 804051), (574, 686385), (615, 640626), (630, 625373), (735, 536034), (738, 533855), (861, 457590), (882, 446695), (1230, 320313), (1435, 274554), (1470, 268017), (1722, 228795), (1845, 213542), (2009, 196110), (2179, 180810), (2205, 178678), (2583, 152530), (2870, 137277), (3690, 106771), (4018, 98055), (4305, 91518), (4358, 90405), (4410, 89339), (5166, 76265), (6027, 65370), (6537, 60270), (8610, 45759), (10045, 39222), (10895, 36162), (12054, 32685), (12915, 30506), (13074, 30135), (15253, 25830), (18081, 21790), (19611, 20090)]