209529100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2843}}^1$

素因数の和:2935

約数の個数: 72

約数和(自身を含む): 503592768

約数和(自身を除く): 294063668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 110, 134, 220, 268, 275, 335, 550, 670, 737, 1100, 1340, 1474, 1675, 2843, 2948, 3350, 3685, 5686, 6700, 7370, 11372, 14215, 14740, 18425, 28430, 31273, 36850, 56860, 62546, 71075, 73700, 125092, 142150, 156365, 190481, 284300, 312730, 380962, 625460, 761924, 781825, 952405, 1563650, 1904810, 2095291, 3127300, 3809620, 4190582, 4762025, 8381164, 9524050, 10476455, 19048100, 20952910, 41905820, 52382275, 104764550, 209529100]

約数ペア:

[(1, 209529100), (2, 104764550), (4, 52382275), (5, 41905820), (10, 20952910), (11, 19048100), (20, 10476455), (22, 9524050), (25, 8381164), (44, 4762025), (50, 4190582), (55, 3809620), (67, 3127300), (100, 2095291), (110, 1904810), (134, 1563650), (220, 952405), (268, 781825), (275, 761924), (335, 625460), (550, 380962), (670, 312730), (737, 284300), (1100, 190481), (1340, 156365), (1474, 142150), (1675, 125092), (2843, 73700), (2948, 71075), (3350, 62546), (3685, 56860), (5686, 36850), (6700, 31273), (7370, 28430), (11372, 18425), (14215, 14740)]