47451700520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1\times {\mathrm{1361}}^1$

素因数の和:2139

約数の個数: 128

約数和(自身を含む): 122854579200

約数和(自身を除く): 75402878680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 521, 956, 1042, 1195, 1361, 1673, 1912, 2084, 2390, 2605, 2722, 3346, 3647, 4168, 4780, 5210, 5444, 6692, 6805, 7294, 8365, 9527, 9560, 10420, 10888, 13384, 13610, 14588, 16730, 18235, 19054, 20840, 27220, 29176, 33460, 36470, 38108, 47635, 54440, 66920, 72940, 76216, 95270, 124519, 145880, 190540, 249038, 325279, 381080, 498076, 622595, 650558, 709081, 871633, 996152, 1245190, 1301116, 1418162, 1626395, 1743266, 2276953, 2490380, 2602232, 2836324, 3252790, 3486532, 3545405, 4358165, 4553906, 4963567, 4980760, 5672648, 6505580, 6973064, 7090810, 8716330, 9107812, 9927134, 11384765, 13011160, 14181620, 17432660, 18215624, 19854268, 22769530, 24817835, 28363240, 34865320, 39708536, 45539060, 49635670, 91078120, 99271340, 169470359, 198542680, 338940718, 677881436, 847351795, 1186292513, 1355762872, 1694703590, 2372585026, 3389407180, 4745170052, 5931462565, 6778814360, 9490340104, 11862925130, 23725850260, 47451700520]

約数ペア:

[(1, 47451700520), (2, 23725850260), (4, 11862925130), (5, 9490340104), (7, 6778814360), (8, 5931462565), (10, 4745170052), (14, 3389407180), (20, 2372585026), (28, 1694703590), (35, 1355762872), (40, 1186292513), (56, 847351795), (70, 677881436), (140, 338940718), (239, 198542680), (280, 169470359), (478, 99271340), (521, 91078120), (956, 49635670), (1042, 45539060), (1195, 39708536), (1361, 34865320), (1673, 28363240), (1912, 24817835), (2084, 22769530), (2390, 19854268), (2605, 18215624), (2722, 17432660), (3346, 14181620), (3647, 13011160), (4168, 11384765), (4780, 9927134), (5210, 9107812), (5444, 8716330), (6692, 7090810), (6805, 6973064), (7294, 6505580), (8365, 5672648), (9527, 4980760), (9560, 4963567), (10420, 4553906), (10888, 4358165), (13384, 3545405), (13610, 3486532), (14588, 3252790), (16730, 2836324), (18235, 2602232), (19054, 2490380), (20840, 2276953), (27220, 1743266), (29176, 1626395), (33460, 1418162), (36470, 1301116), (38108, 1245190), (47635, 996152), (54440, 871633), (66920, 709081), (72940, 650558), (76216, 622595), (95270, 498076), (124519, 381080), (145880, 325279), (190540, 249038)]