289202590

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{751}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 527958144

約数和(自身を除く): 238755554

約数列:

[1, 2, 5, 10, 97, 194, 397, 485, 751, 794, 970, 1502, 1985, 3755, 3970, 7510, 38509, 72847, 77018, 145694, 192545, 298147, 364235, 385090, 596294, 728470, 1490735, 2981470, 28920259, 57840518, 144601295, 289202590]

約数ペア:

[(1, 289202590), (2, 144601295), (5, 57840518), (10, 28920259), (97, 2981470), (194, 1490735), (397, 728470), (485, 596294), (751, 385090), (794, 364235), (970, 298147), (1502, 192545), (1985, 145694), (3755, 77018), (3970, 72847), (7510, 38509)]