31591420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9811}}^1$

素因数の和:9850

約数の個数: 48

約数和(自身を含む): 79123968

約数和(自身を除く): 47532548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9811, 19622, 39244, 49055, 68677, 98110, 137354, 196220, 225653, 274708, 343385, 451306, 686770, 902612, 1128265, 1373540, 1579571, 2256530, 3159142, 4513060, 6318284, 7897855, 15795710, 31591420]

約数ペア:

[(1, 31591420), (2, 15795710), (4, 7897855), (5, 6318284), (7, 4513060), (10, 3159142), (14, 2256530), (20, 1579571), (23, 1373540), (28, 1128265), (35, 902612), (46, 686770), (70, 451306), (92, 343385), (115, 274708), (140, 225653), (161, 196220), (230, 137354), (322, 98110), (460, 68677), (644, 49055), (805, 39244), (1610, 19622), (3220, 9811)]