378794260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{76679}}^1$

素因数の和:76720

約数の個数: 48

約数和(自身を含む): 901756800

約数和(自身を除く): 522962540

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, 76679, 153358, 306716, 383395, 766790, 996827, 1456901, 1533580, 1993654, 2913802, 3987308, 4984135, 5827604, 7284505, 9968270, 14569010, 18939713, 19936540, 29138020, 37879426, 75758852, 94698565, 189397130, 378794260]

約数ペア:

[(1, 378794260), (2, 189397130), (4, 94698565), (5, 75758852), (10, 37879426), (13, 29138020), (19, 19936540), (20, 18939713), (26, 14569010), (38, 9968270), (52, 7284505), (65, 5827604), (76, 4984135), (95, 3987308), (130, 2913802), (190, 1993654), (247, 1533580), (260, 1456901), (380, 996827), (494, 766790), (988, 383395), (1235, 306716), (2470, 153358), (4940, 76679)]