320464415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^2\times {\mathrm{103}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 398602464

約数和(自身を除く): 78138049

約数列:

[1, 5, 61, 101, 103, 305, 505, 515, 6161, 6283, 10201, 10403, 30805, 31415, 51005, 52015, 622261, 634583, 1050703, 3111305, 3172915, 5253515, 64092883, 320464415]

約数ペア:

[(1, 320464415), (5, 64092883), (61, 5253515), (101, 3172915), (103, 3111305), (305, 1050703), (505, 634583), (515, 622261), (6161, 52015), (6283, 51005), (10201, 31415), (10403, 30805)]