128227300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 292856256

約数和(自身を除く): 164628956

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 197, 230, 283, 394, 460, 566, 575, 788, 985, 1132, 1150, 1415, 1970, 2300, 2830, 3940, 4531, 4925, 5660, 6509, 7075, 9062, 9850, 13018, 14150, 18124, 19700, 22655, 26036, 28300, 32545, 45310, 55751, 65090, 90620, 111502, 113275, 130180, 162725, 223004, 226550, 278755, 325450, 453100, 557510, 650900, 1115020, 1282273, 1393775, 2564546, 2787550, 5129092, 5575100, 6411365, 12822730, 25645460, 32056825, 64113650, 128227300]

約数ペア:

[(1, 128227300), (2, 64113650), (4, 32056825), (5, 25645460), (10, 12822730), (20, 6411365), (23, 5575100), (25, 5129092), (46, 2787550), (50, 2564546), (92, 1393775), (100, 1282273), (115, 1115020), (197, 650900), (230, 557510), (283, 453100), (394, 325450), (460, 278755), (566, 226550), (575, 223004), (788, 162725), (985, 130180), (1132, 113275), (1150, 111502), (1415, 90620), (1970, 65090), (2300, 55751), (2830, 45310), (3940, 32545), (4531, 28300), (4925, 26036), (5660, 22655), (6509, 19700), (7075, 18124), (9062, 14150), (9850, 13018)]