1721304860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{24527}}^1$

素因数の和:24587

約数の個数: 72

約数和(自身を含む): 4110402240

約数和(自身を除く): 2389097380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1210, 1276, 1595, 2420, 3190, 3509, 6380, 7018, 14036, 17545, 24527, 35090, 49054, 70180, 98108, 122635, 245270, 269797, 490540, 539594, 711283, 1079188, 1348985, 1422566, 2697970, 2845132, 2967767, 3556415, 5395940, 5935534, 7112830, 7824113, 11871068, 14225660, 14838835, 15648226, 29677670, 31296452, 39120565, 59355340, 78241130, 86065243, 156482260, 172130486, 344260972, 430326215, 860652430, 1721304860]

約数ペア:

[(1, 1721304860), (2, 860652430), (4, 430326215), (5, 344260972), (10, 172130486), (11, 156482260), (20, 86065243), (22, 78241130), (29, 59355340), (44, 39120565), (55, 31296452), (58, 29677670), (110, 15648226), (116, 14838835), (121, 14225660), (145, 11871068), (220, 7824113), (242, 7112830), (290, 5935534), (319, 5395940), (484, 3556415), (580, 2967767), (605, 2845132), (638, 2697970), (1210, 1422566), (1276, 1348985), (1595, 1079188), (2420, 711283), (3190, 539594), (3509, 490540), (6380, 269797), (7018, 245270), (14036, 122635), (17545, 98108), (24527, 70180), (35090, 49054)]