201571540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1409}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 443439360

約数和(自身を除く): 241867820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 311, 460, 622, 1244, 1409, 1555, 2818, 3110, 5636, 6220, 7045, 7153, 14090, 14306, 28180, 28612, 32407, 35765, 64814, 71530, 129628, 143060, 162035, 324070, 438199, 648140, 876398, 1752796, 2190995, 4381990, 8763980, 10078577, 20157154, 40314308, 50392885, 100785770, 201571540]

約数ペア:

[(1, 201571540), (2, 100785770), (4, 50392885), (5, 40314308), (10, 20157154), (20, 10078577), (23, 8763980), (46, 4381990), (92, 2190995), (115, 1752796), (230, 876398), (311, 648140), (460, 438199), (622, 324070), (1244, 162035), (1409, 143060), (1555, 129628), (2818, 71530), (3110, 64814), (5636, 35765), (6220, 32407), (7045, 28612), (7153, 28180), (14090, 14306)]