201578980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2017}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 447511680

約数和(自身を除く): 245932700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 526, 1052, 1315, 2017, 2630, 4034, 4997, 5260, 8068, 9994, 10085, 19988, 20170, 24985, 38323, 40340, 49970, 76646, 99940, 153292, 191615, 383230, 530471, 766460, 1060942, 2121884, 2652355, 5304710, 10078949, 10609420, 20157898, 40315796, 50394745, 100789490, 201578980]

約数ペア:

[(1, 201578980), (2, 100789490), (4, 50394745), (5, 40315796), (10, 20157898), (19, 10609420), (20, 10078949), (38, 5304710), (76, 2652355), (95, 2121884), (190, 1060942), (263, 766460), (380, 530471), (526, 383230), (1052, 191615), (1315, 153292), (2017, 99940), (2630, 76646), (4034, 49970), (4997, 40340), (5260, 38323), (8068, 24985), (9994, 20170), (10085, 19988)]