420172450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271079}}^1$

素因数の和:271122

約数の個数: 24

約数和(自身を含む): 806734080

約数和(自身を除く): 386561630

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 271079, 542158, 1355395, 2710790, 6776975, 8403449, 13553950, 16806898, 42017245, 84034490, 210086225, 420172450]

約数ペア:

[(1, 420172450), (2, 210086225), (5, 84034490), (10, 42017245), (25, 16806898), (31, 13553950), (50, 8403449), (62, 6776975), (155, 2710790), (310, 1355395), (775, 542158), (1550, 271079)]