78818300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 189154560

約数和(自身を除く): 110336260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 907, 1100, 1580, 1738, 1814, 1975, 3476, 3628, 3950, 4345, 4535, 7900, 8690, 9070, 9977, 17380, 18140, 19954, 21725, 22675, 39908, 43450, 45350, 49885, 71653, 86900, 90700, 99770, 143306, 199540, 249425, 286612, 358265, 498850, 716530, 788183, 997700, 1433060, 1576366, 1791325, 3152732, 3582650, 3940915, 7165300, 7881830, 15763660, 19704575, 39409150, 78818300]

約数ペア:

[(1, 78818300), (2, 39409150), (4, 19704575), (5, 15763660), (10, 7881830), (11, 7165300), (20, 3940915), (22, 3582650), (25, 3152732), (44, 1791325), (50, 1576366), (55, 1433060), (79, 997700), (100, 788183), (110, 716530), (158, 498850), (220, 358265), (275, 286612), (316, 249425), (395, 199540), (550, 143306), (790, 99770), (869, 90700), (907, 86900), (1100, 71653), (1580, 49885), (1738, 45350), (1814, 43450), (1975, 39908), (3476, 22675), (3628, 21725), (3950, 19954), (4345, 18140), (4535, 17380), (7900, 9977), (8690, 9070)]