31440650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 63317376

約数和(自身を除く): 31876726

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 787, 799, 850, 1175, 1574, 1598, 2350, 3935, 3995, 7870, 7990, 13379, 19675, 19975, 26758, 36989, 39350, 39950, 66895, 73978, 133790, 184945, 334475, 369890, 628813, 668950, 924725, 1257626, 1849450, 3144065, 6288130, 15720325, 31440650]

約数ペア:

[(1, 31440650), (2, 15720325), (5, 6288130), (10, 3144065), (17, 1849450), (25, 1257626), (34, 924725), (47, 668950), (50, 628813), (85, 369890), (94, 334475), (170, 184945), (235, 133790), (425, 73978), (470, 66895), (787, 39950), (799, 39350), (850, 36989), (1175, 26758), (1574, 19975), (1598, 19675), (2350, 13379), (3935, 7990), (3995, 7870)]