188892920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 440985600

約数和(自身を除く): 252092680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 347, 439, 620, 694, 878, 1240, 1388, 1735, 1756, 2195, 2776, 3470, 3512, 4390, 6940, 8780, 10757, 13609, 13880, 17560, 21514, 27218, 43028, 53785, 54436, 68045, 86056, 107570, 108872, 136090, 152333, 215140, 272180, 304666, 430280, 544360, 609332, 761665, 1218664, 1523330, 3046660, 4722323, 6093320, 9444646, 18889292, 23611615, 37778584, 47223230, 94446460, 188892920]

約数ペア:

[(1, 188892920), (2, 94446460), (4, 47223230), (5, 37778584), (8, 23611615), (10, 18889292), (20, 9444646), (31, 6093320), (40, 4722323), (62, 3046660), (124, 1523330), (155, 1218664), (248, 761665), (310, 609332), (347, 544360), (439, 430280), (620, 304666), (694, 272180), (878, 215140), (1240, 152333), (1388, 136090), (1735, 108872), (1756, 107570), (2195, 86056), (2776, 68045), (3470, 54436), (3512, 53785), (4390, 43028), (6940, 27218), (8780, 21514), (10757, 17560), (13609, 13880)]