421729225

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 559557936

約数和(自身を除く): 137828711

約数列:

[1, 5, 19, 25, 83, 95, 361, 415, 475, 563, 1577, 1805, 2075, 2815, 7885, 9025, 10697, 14075, 29963, 39425, 46729, 53485, 149815, 203243, 233645, 267425, 749075, 887851, 1016215, 1168225, 4439255, 5081075, 16869169, 22196275, 84345845, 421729225]

約数ペア:

[(1, 421729225), (5, 84345845), (19, 22196275), (25, 16869169), (83, 5081075), (95, 4439255), (361, 1168225), (415, 1016215), (475, 887851), (563, 749075), (1577, 267425), (1805, 233645), (2075, 203243), (2815, 149815), (7885, 53485), (9025, 46729), (10697, 39425), (14075, 29963)]