210978504

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 639972060

約数和(自身を除く): 428993556

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 61, 66, 72, 88, 99, 121, 122, 132, 183, 198, 242, 244, 264, 363, 366, 396, 397, 484, 488, 549, 671, 726, 732, 792, 794, 968, 1089, 1098, 1191, 1342, 1452, 1464, 1588, 2013, 2178, 2196, 2382, 2684, 2904, 3176, 3573, 4026, 4356, 4367, 4392, 4764, 5368, 6039, 7146, 7381, 8052, 8712, 8734, 9528, 12078, 13101, 14292, 14762, 16104, 17468, 22143, 24156, 24217, 26202, 28584, 29524, 34936, 39303, 44286, 48037, 48312, 48434, 52404, 59048, 66429, 72651, 78606, 88572, 96074, 96868, 104808, 132858, 144111, 145302, 157212, 177144, 192148, 193736, 217953, 265716, 266387, 288222, 290604, 314424, 384296, 432333, 435906, 531432, 532774, 576444, 581208, 799161, 864666, 871812, 1065548, 1152888, 1598322, 1729332, 1743624, 2131096, 2397483, 2930257, 3196644, 3458664, 4794966, 5860514, 6393288, 8790771, 9589932, 11721028, 17581542, 19179864, 23442056, 26372313, 35163084, 52744626, 70326168, 105489252, 210978504]

約数ペア:

[(1, 210978504), (2, 105489252), (3, 70326168), (4, 52744626), (6, 35163084), (8, 26372313), (9, 23442056), (11, 19179864), (12, 17581542), (18, 11721028), (22, 9589932), (24, 8790771), (33, 6393288), (36, 5860514), (44, 4794966), (61, 3458664), (66, 3196644), (72, 2930257), (88, 2397483), (99, 2131096), (121, 1743624), (122, 1729332), (132, 1598322), (183, 1152888), (198, 1065548), (242, 871812), (244, 864666), (264, 799161), (363, 581208), (366, 576444), (396, 532774), (397, 531432), (484, 435906), (488, 432333), (549, 384296), (671, 314424), (726, 290604), (732, 288222), (792, 266387), (794, 265716), (968, 217953), (1089, 193736), (1098, 192148), (1191, 177144), (1342, 157212), (1452, 145302), (1464, 144111), (1588, 132858), (2013, 104808), (2178, 96868), (2196, 96074), (2382, 88572), (2684, 78606), (2904, 72651), (3176, 66429), (3573, 59048), (4026, 52404), (4356, 48434), (4367, 48312), (4392, 48037), (4764, 44286), (5368, 39303), (6039, 34936), (7146, 29524), (7381, 28584), (8052, 26202), (8712, 24217), (8734, 24156), (9528, 22143), (12078, 17468), (13101, 16104), (14292, 14762)]