204505002

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 511252560

約数和(自身を除く): 306747558

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 101, 102, 117, 153, 202, 221, 234, 303, 306, 442, 509, 606, 663, 909, 1018, 1313, 1326, 1527, 1717, 1818, 1989, 2626, 3054, 3434, 3939, 3978, 4581, 5151, 6617, 7878, 8653, 9162, 10302, 11817, 13234, 15453, 17306, 19851, 22321, 23634, 25959, 30906, 39702, 44642, 51409, 51918, 59553, 66963, 77877, 102818, 112489, 119106, 133926, 154227, 155754, 200889, 224978, 308454, 337467, 401778, 462681, 668317, 674934, 873953, 925362, 1012401, 1336634, 1747906, 2004951, 2024802, 2621859, 4009902, 5243718, 6014853, 7865577, 11361389, 12029706, 15731154, 22722778, 34084167, 68168334, 102252501, 204505002]

約数ペア:

[(1, 204505002), (2, 102252501), (3, 68168334), (6, 34084167), (9, 22722778), (13, 15731154), (17, 12029706), (18, 11361389), (26, 7865577), (34, 6014853), (39, 5243718), (51, 4009902), (78, 2621859), (101, 2024802), (102, 2004951), (117, 1747906), (153, 1336634), (202, 1012401), (221, 925362), (234, 873953), (303, 674934), (306, 668317), (442, 462681), (509, 401778), (606, 337467), (663, 308454), (909, 224978), (1018, 200889), (1313, 155754), (1326, 154227), (1527, 133926), (1717, 119106), (1818, 112489), (1989, 102818), (2626, 77877), (3054, 66963), (3434, 59553), (3939, 51918), (3978, 51409), (4581, 44642), (5151, 39702), (6617, 30906), (7878, 25959), (8653, 23634), (9162, 22321), (10302, 19851), (11817, 17306), (13234, 15453)]