389627840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 168

約数和(自身を含む): 1101705696

約数和(自身を除く): 712077856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 181, 217, 224, 248, 280, 310, 320, 362, 434, 448, 496, 560, 620, 724, 868, 905, 961, 992, 1085, 1120, 1240, 1267, 1448, 1736, 1810, 1922, 1984, 2170, 2240, 2480, 2534, 2896, 3472, 3620, 3844, 4340, 4805, 4960, 5068, 5611, 5792, 6335, 6727, 6944, 7240, 7688, 8680, 9610, 9920, 10136, 11222, 11584, 12670, 13454, 13888, 14480, 15376, 17360, 19220, 20272, 22444, 25340, 26908, 28055, 28960, 30752, 33635, 34720, 38440, 39277, 40544, 44888, 50680, 53816, 56110, 57920, 61504, 67270, 69440, 76880, 78554, 81088, 89776, 101360, 107632, 112220, 134540, 153760, 157108, 173941, 179552, 196385, 202720, 215264, 224440, 269080, 307520, 314216, 347882, 359104, 392770, 405440, 430528, 448880, 538160, 628432, 695764, 785540, 869705, 897760, 1076320, 1217587, 1256864, 1391528, 1571080, 1739410, 1795520, 2152640, 2435174, 2513728, 2783056, 3142160, 3478820, 4870348, 5566112, 6087935, 6284320, 6957640, 9740696, 11132224, 12175870, 12568640, 13915280, 19481392, 24351740, 27830560, 38962784, 48703480, 55661120, 77925568, 97406960, 194813920, 389627840]

約数ペア:

[(1, 389627840), (2, 194813920), (4, 97406960), (5, 77925568), (7, 55661120), (8, 48703480), (10, 38962784), (14, 27830560), (16, 24351740), (20, 19481392), (28, 13915280), (31, 12568640), (32, 12175870), (35, 11132224), (40, 9740696), (56, 6957640), (62, 6284320), (64, 6087935), (70, 5566112), (80, 4870348), (112, 3478820), (124, 3142160), (140, 2783056), (155, 2513728), (160, 2435174), (181, 2152640), (217, 1795520), (224, 1739410), (248, 1571080), (280, 1391528), (310, 1256864), (320, 1217587), (362, 1076320), (434, 897760), (448, 869705), (496, 785540), (560, 695764), (620, 628432), (724, 538160), (868, 448880), (905, 430528), (961, 405440), (992, 392770), (1085, 359104), (1120, 347882), (1240, 314216), (1267, 307520), (1448, 269080), (1736, 224440), (1810, 215264), (1922, 202720), (1984, 196385), (2170, 179552), (2240, 173941), (2480, 157108), (2534, 153760), (2896, 134540), (3472, 112220), (3620, 107632), (3844, 101360), (4340, 89776), (4805, 81088), (4960, 78554), (5068, 76880), (5611, 69440), (5792, 67270), (6335, 61504), (6727, 57920), (6944, 56110), (7240, 53816), (7688, 50680), (8680, 44888), (9610, 40544), (9920, 39277), (10136, 38440), (11222, 34720), (11584, 33635), (12670, 30752), (13454, 28960), (13888, 28055), (14480, 26908), (15376, 25340), (17360, 22444), (19220, 20272)]