201990428514

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{23677}}^1\times {\mathrm{7523}}^1$

素因数の和:31221

約数の個数: 80

約数和(自身を含む): 517357101888

約数和(自身を除く): 315366673374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 7523, 15046, 22569, 23677, 45138, 47354, 52661, 67707, 71031, 105322, 135414, 142062, 157983, 165739, 203121, 213093, 315966, 331478, 406242, 426186, 473949, 497217, 609363, 639279, 947898, 994434, 1218726, 1278558, 1421847, 1491651, 1917837, 2843694, 2983302, 3835674, 4265541, 4474953, 8531082, 8949906, 13424859, 26849718, 178122071, 356244142, 534366213, 1068732426, 1246854497, 1603098639, 2493708994, 3206197278, 3740563491, 4809295917, 7481126982, 9618591834, 11221690473, 14427887751, 22443380946, 28855775502, 33665071419, 67330142838, 100995214257, 201990428514]

約数ペア:

[(1, 201990428514), (2, 100995214257), (3, 67330142838), (6, 33665071419), (7, 28855775502), (9, 22443380946), (14, 14427887751), (18, 11221690473), (21, 9618591834), (27, 7481126982), (42, 4809295917), (54, 3740563491), (63, 3206197278), (81, 2493708994), (126, 1603098639), (162, 1246854497), (189, 1068732426), (378, 534366213), (567, 356244142), (1134, 178122071), (7523, 26849718), (15046, 13424859), (22569, 8949906), (23677, 8531082), (45138, 4474953), (47354, 4265541), (52661, 3835674), (67707, 2983302), (71031, 2843694), (105322, 1917837), (135414, 1491651), (142062, 1421847), (157983, 1278558), (165739, 1218726), (203121, 994434), (213093, 947898), (315966, 639279), (331478, 609363), (406242, 497217), (426186, 473949)]