210905750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 433824768

約数和(自身を除く): 222919018

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 271, 275, 283, 542, 550, 566, 1355, 1375, 1415, 2710, 2750, 2830, 2981, 3113, 5962, 6226, 6775, 7075, 13550, 14150, 14905, 15565, 29810, 31130, 33875, 35375, 67750, 70750, 74525, 76693, 77825, 149050, 153386, 155650, 372625, 383465, 389125, 745250, 766930, 778250, 843623, 1687246, 1917325, 3834650, 4218115, 8436230, 9586625, 19173250, 21090575, 42181150, 105452875, 210905750]

約数ペア:

[(1, 210905750), (2, 105452875), (5, 42181150), (10, 21090575), (11, 19173250), (22, 9586625), (25, 8436230), (50, 4218115), (55, 3834650), (110, 1917325), (125, 1687246), (250, 843623), (271, 778250), (275, 766930), (283, 745250), (542, 389125), (550, 383465), (566, 372625), (1355, 155650), (1375, 153386), (1415, 149050), (2710, 77825), (2750, 76693), (2830, 74525), (2981, 70750), (3113, 67750), (5962, 35375), (6226, 33875), (6775, 31130), (7075, 29810), (13550, 15565), (14150, 14905)]