1918600

素因数分解:

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

素因数の和:250

約数の個数: 48

約数和(自身を含む): 4570020

約数和(自身を除く): 2651420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 181, 200, 212, 265, 362, 424, 530, 724, 905, 1060, 1325, 1448, 1810, 2120, 2650, 3620, 4525, 5300, 7240, 9050, 9593, 10600, 18100, 19186, 36200, 38372, 47965, 76744, 95930, 191860, 239825, 383720, 479650, 959300, 1918600]

約数ペア:

[(1, 1918600), (2, 959300), (4, 479650), (5, 383720), (8, 239825), (10, 191860), (20, 95930), (25, 76744), (40, 47965), (50, 38372), (53, 36200), (100, 19186), (106, 18100), (181, 10600), (200, 9593), (212, 9050), (265, 7240), (362, 5300), (424, 4525), (530, 3620), (724, 2650), (905, 2120), (1060, 1810), (1325, 1448)]