225416125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 311351040

約数和(自身を除く): 85934915

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 355, 781, 1375, 1775, 2309, 3905, 8875, 11545, 19525, 25399, 57725, 97625, 126995, 163939, 288625, 634975, 819695, 1803329, 3174875, 4098475, 9016645, 20492375, 45083225, 225416125]

約数ペア:

[(1, 225416125), (5, 45083225), (11, 20492375), (25, 9016645), (55, 4098475), (71, 3174875), (125, 1803329), (275, 819695), (355, 634975), (781, 288625), (1375, 163939), (1775, 126995), (2309, 97625), (3905, 57725), (8875, 25399), (11545, 19525)]