392679940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2969}}^1$

素因数の和:3384

約数の個数: 48

約数和(自身を含む): 875674800

約数和(自身を除く): 482994860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 2969, 3890, 5938, 6613, 7780, 11876, 13226, 14845, 26452, 29690, 33065, 50473, 59380, 66130, 100946, 132260, 201892, 252365, 504730, 1009460, 1154941, 2309882, 4619764, 5774705, 11549410, 19633997, 23098820, 39267994, 78535988, 98169985, 196339970, 392679940]

約数ペア:

[(1, 392679940), (2, 196339970), (4, 98169985), (5, 78535988), (10, 39267994), (17, 23098820), (20, 19633997), (34, 11549410), (68, 5774705), (85, 4619764), (170, 2309882), (340, 1154941), (389, 1009460), (778, 504730), (1556, 252365), (1945, 201892), (2969, 132260), (3890, 100946), (5938, 66130), (6613, 59380), (7780, 50473), (11876, 33065), (13226, 29690), (14845, 26452)]