7780006900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1322

約数の個数: 108

約数和(自身を含む): 17721296320

約数和(自身を除く): 9941289420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 79, 100, 116, 145, 158, 290, 316, 395, 580, 725, 790, 841, 1171, 1450, 1580, 1682, 1975, 2291, 2342, 2900, 3364, 3950, 4205, 4582, 4684, 5855, 7900, 8410, 9164, 11455, 11710, 16820, 21025, 22910, 23420, 29275, 33959, 42050, 45820, 57275, 58550, 66439, 67918, 84100, 92509, 114550, 117100, 132878, 135836, 169795, 185018, 229100, 265756, 332195, 339590, 370036, 462545, 664390, 679180, 848975, 925090, 984811, 1328780, 1660975, 1697950, 1850180, 1969622, 2312725, 2682761, 3321950, 3395900, 3939244, 4625450, 4924055, 5365522, 6643900, 9250900, 9848110, 10731044, 13413805, 19696220, 24620275, 26827610, 49240550, 53655220, 67069025, 77800069, 98481100, 134138050, 155600138, 268276100, 311200276, 389000345, 778000690, 1556001380, 1945001725, 3890003450, 7780006900]

約数ペア:

[(1, 7780006900), (2, 3890003450), (4, 1945001725), (5, 1556001380), (10, 778000690), (20, 389000345), (25, 311200276), (29, 268276100), (50, 155600138), (58, 134138050), (79, 98481100), (100, 77800069), (116, 67069025), (145, 53655220), (158, 49240550), (290, 26827610), (316, 24620275), (395, 19696220), (580, 13413805), (725, 10731044), (790, 9848110), (841, 9250900), (1171, 6643900), (1450, 5365522), (1580, 4924055), (1682, 4625450), (1975, 3939244), (2291, 3395900), (2342, 3321950), (2900, 2682761), (3364, 2312725), (3950, 1969622), (4205, 1850180), (4582, 1697950), (4684, 1660975), (5855, 1328780), (7900, 984811), (8410, 925090), (9164, 848975), (11455, 679180), (11710, 664390), (16820, 462545), (21025, 370036), (22910, 339590), (23420, 332195), (29275, 265756), (33959, 229100), (42050, 185018), (45820, 169795), (57275, 135836), (58550, 132878), (66439, 117100), (67918, 114550), (84100, 92509)]