2157100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 5343408

約数和(自身を除く): 3186308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 53, 55, 74, 100, 106, 110, 148, 185, 212, 220, 265, 275, 370, 407, 530, 550, 583, 740, 814, 925, 1060, 1100, 1166, 1325, 1628, 1850, 1961, 2035, 2332, 2650, 2915, 3700, 3922, 4070, 5300, 5830, 7844, 8140, 9805, 10175, 11660, 14575, 19610, 20350, 21571, 29150, 39220, 40700, 43142, 49025, 58300, 86284, 98050, 107855, 196100, 215710, 431420, 539275, 1078550, 2157100]

約数ペア:

[(1, 2157100), (2, 1078550), (4, 539275), (5, 431420), (10, 215710), (11, 196100), (20, 107855), (22, 98050), (25, 86284), (37, 58300), (44, 49025), (50, 43142), (53, 40700), (55, 39220), (74, 29150), (100, 21571), (106, 20350), (110, 19610), (148, 14575), (185, 11660), (212, 10175), (220, 9805), (265, 8140), (275, 7844), (370, 5830), (407, 5300), (530, 4070), (550, 3922), (583, 3700), (740, 2915), (814, 2650), (925, 2332), (1060, 2035), (1100, 1961), (1166, 1850), (1325, 1628)]