131332520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298483}}^1$

素因数の和:298505

約数の個数: 32

約数和(自身を含む): 322362720

約数和(自身を除く): 191030200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298483, 596966, 1193932, 1492415, 2387864, 2984830, 3283313, 5969660, 6566626, 11939320, 13133252, 16416565, 26266504, 32833130, 65666260, 131332520]

約数ペア:

[(1, 131332520), (2, 65666260), (4, 32833130), (5, 26266504), (8, 16416565), (10, 13133252), (11, 11939320), (20, 6566626), (22, 5969660), (40, 3283313), (44, 2984830), (55, 2387864), (88, 1492415), (110, 1193932), (220, 596966), (440, 298483)]