1990101456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{14411}}^1$

素因数の和:14569

約数の個数: 120

約数和(自身を含む): 6412071744

約数和(自身を除く): 4421970288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 137, 144, 168, 252, 274, 336, 411, 504, 548, 822, 959, 1008, 1096, 1233, 1644, 1918, 2192, 2466, 2877, 3288, 3836, 4932, 5754, 6576, 7672, 8631, 9864, 11508, 14411, 15344, 17262, 19728, 23016, 28822, 34524, 43233, 46032, 57644, 69048, 86466, 100877, 115288, 129699, 138096, 172932, 201754, 230576, 259398, 302631, 345864, 403508, 518796, 605262, 691728, 807016, 907893, 1037592, 1210524, 1614032, 1815786, 1974307, 2075184, 2421048, 3631572, 3948614, 4842096, 5922921, 7263144, 7897228, 11845842, 13820149, 14526288, 15794456, 17768763, 23691684, 27640298, 31588912, 35537526, 41460447, 47383368, 55280596, 71075052, 82920894, 94766736, 110561192, 124381341, 142150104, 165841788, 221122384, 248762682, 284300208, 331683576, 497525364, 663367152, 995050728, 1990101456]

約数ペア:

[(1, 1990101456), (2, 995050728), (3, 663367152), (4, 497525364), (6, 331683576), (7, 284300208), (8, 248762682), (9, 221122384), (12, 165841788), (14, 142150104), (16, 124381341), (18, 110561192), (21, 94766736), (24, 82920894), (28, 71075052), (36, 55280596), (42, 47383368), (48, 41460447), (56, 35537526), (63, 31588912), (72, 27640298), (84, 23691684), (112, 17768763), (126, 15794456), (137, 14526288), (144, 13820149), (168, 11845842), (252, 7897228), (274, 7263144), (336, 5922921), (411, 4842096), (504, 3948614), (548, 3631572), (822, 2421048), (959, 2075184), (1008, 1974307), (1096, 1815786), (1233, 1614032), (1644, 1210524), (1918, 1037592), (2192, 907893), (2466, 807016), (2877, 691728), (3288, 605262), (3836, 518796), (4932, 403508), (5754, 345864), (6576, 302631), (7672, 259398), (8631, 230576), (9864, 201754), (11508, 172932), (14411, 138096), (15344, 129699), (17262, 115288), (19728, 100877), (23016, 86466), (28822, 69048), (34524, 57644), (43233, 46032)]