209750500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{22079}}^1$

素因数の和:22117

約数の個数: 48

約数和(自身を含む): 482227200

約数和(自身を除く): 272476700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 22079, 44158, 88316, 110395, 220790, 419501, 441580, 551975, 839002, 1103950, 1678004, 2097505, 2207900, 2759875, 4195010, 5519750, 8390020, 10487525, 11039500, 20975050, 41950100, 52437625, 104875250, 209750500]

約数ペア:

[(1, 209750500), (2, 104875250), (4, 52437625), (5, 41950100), (10, 20975050), (19, 11039500), (20, 10487525), (25, 8390020), (38, 5519750), (50, 4195010), (76, 2759875), (95, 2207900), (100, 2097505), (125, 1678004), (190, 1103950), (250, 839002), (380, 551975), (475, 441580), (500, 419501), (950, 220790), (1900, 110395), (2375, 88316), (4750, 44158), (9500, 22079)]