383720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 884520

約数和(自身を除く): 500800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 181, 212, 265, 362, 424, 530, 724, 905, 1060, 1448, 1810, 2120, 3620, 7240, 9593, 19186, 38372, 47965, 76744, 95930, 191860, 383720]

約数ペア:

[(1, 383720), (2, 191860), (4, 95930), (5, 76744), (8, 47965), (10, 38372), (20, 19186), (40, 9593), (53, 7240), (106, 3620), (181, 2120), (212, 1810), (265, 1448), (362, 1060), (424, 905), (530, 724)]