387790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 796320

約数和(自身を除く): 408530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 157, 190, 247, 314, 494, 785, 1235, 1570, 2041, 2470, 2983, 4082, 5966, 10205, 14915, 20410, 29830, 38779, 77558, 193895, 387790]

約数ペア:

[(1, 387790), (2, 193895), (5, 77558), (10, 38779), (13, 29830), (19, 20410), (26, 14915), (38, 10205), (65, 5966), (95, 4082), (130, 2983), (157, 2470), (190, 2041), (247, 1570), (314, 1235), (494, 785)]