191864660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38839}}^1$

素因数の和:38880

約数の個数: 48

約数和(自身を含む): 456758400

約数和(自身を除く): 264893740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 38839, 77678, 155356, 194195, 388390, 504907, 737941, 776780, 1009814, 1475882, 2019628, 2524535, 2951764, 3689705, 5049070, 7379410, 9593233, 10098140, 14758820, 19186466, 38372932, 47966165, 95932330, 191864660]

約数ペア:

[(1, 191864660), (2, 95932330), (4, 47966165), (5, 38372932), (10, 19186466), (13, 14758820), (19, 10098140), (20, 9593233), (26, 7379410), (38, 5049070), (52, 3689705), (65, 2951764), (76, 2524535), (95, 2019628), (130, 1475882), (190, 1009814), (247, 776780), (260, 737941), (380, 504907), (494, 388390), (988, 194195), (1235, 155356), (2470, 77678), (4940, 38839)]