159201220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{659}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 343284480

約数和(自身を除く): 184083260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 257, 470, 514, 659, 940, 1028, 1285, 1318, 2570, 2636, 3295, 5140, 6590, 12079, 13180, 24158, 30973, 48316, 60395, 61946, 120790, 123892, 154865, 169363, 241580, 309730, 338726, 619460, 677452, 846815, 1693630, 3387260, 7960061, 15920122, 31840244, 39800305, 79600610, 159201220]

約数ペア:

[(1, 159201220), (2, 79600610), (4, 39800305), (5, 31840244), (10, 15920122), (20, 7960061), (47, 3387260), (94, 1693630), (188, 846815), (235, 677452), (257, 619460), (470, 338726), (514, 309730), (659, 241580), (940, 169363), (1028, 154865), (1285, 123892), (1318, 120790), (2570, 61946), (2636, 60395), (3295, 48316), (5140, 30973), (6590, 24158), (12079, 13180)]