129220900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3013

約数の個数: 72

約数和(自身を含む): 308105280

約数和(自身を除く): 178884380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 2957, 4370, 5914, 8740, 10925, 11828, 14785, 21850, 29570, 43700, 56183, 59140, 68011, 73925, 112366, 136022, 147850, 224732, 272044, 280915, 295700, 340055, 561830, 680110, 1123660, 1292209, 1360220, 1404575, 1700275, 2584418, 2809150, 3400550, 5168836, 5618300, 6461045, 6801100, 12922090, 25844180, 32305225, 64610450, 129220900]

約数ペア:

[(1, 129220900), (2, 64610450), (4, 32305225), (5, 25844180), (10, 12922090), (19, 6801100), (20, 6461045), (23, 5618300), (25, 5168836), (38, 3400550), (46, 2809150), (50, 2584418), (76, 1700275), (92, 1404575), (95, 1360220), (100, 1292209), (115, 1123660), (190, 680110), (230, 561830), (380, 340055), (437, 295700), (460, 280915), (475, 272044), (575, 224732), (874, 147850), (950, 136022), (1150, 112366), (1748, 73925), (1900, 68011), (2185, 59140), (2300, 56183), (2957, 43700), (4370, 29570), (5914, 21850), (8740, 14785), (10925, 11828)]