438400490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4463}}^1$

素因数の和:4547

約数の個数: 64

約数和(自身を含む): 925655040

約数和(自身を除く): 487254550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 47, 55, 94, 95, 110, 190, 209, 235, 418, 470, 517, 893, 1034, 1045, 1786, 2090, 2585, 4463, 4465, 5170, 8926, 8930, 9823, 19646, 22315, 44630, 49093, 49115, 84797, 98186, 98230, 169594, 209761, 245465, 419522, 423985, 490930, 847970, 932767, 1048805, 1865534, 2097610, 2307371, 3985459, 4614742, 4663835, 7970918, 9327670, 11536855, 19927295, 23073710, 39854590, 43840049, 87680098, 219200245, 438400490]

約数ペア:

[(1, 438400490), (2, 219200245), (5, 87680098), (10, 43840049), (11, 39854590), (19, 23073710), (22, 19927295), (38, 11536855), (47, 9327670), (55, 7970918), (94, 4663835), (95, 4614742), (110, 3985459), (190, 2307371), (209, 2097610), (235, 1865534), (418, 1048805), (470, 932767), (517, 847970), (893, 490930), (1034, 423985), (1045, 419522), (1786, 245465), (2090, 209761), (2585, 169594), (4463, 98230), (4465, 98186), (5170, 84797), (8926, 49115), (8930, 49093), (9823, 44630), (19646, 22315)]