201859990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{5393}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 384484320

約数和(自身を除く): 182624330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1970, 3743, 5393, 7486, 10786, 18715, 26965, 37430, 53930, 102467, 204934, 512335, 1024670, 1062421, 2124842, 5312105, 10624210, 20185999, 40371998, 100929995, 201859990]

約数ペア:

[(1, 201859990), (2, 100929995), (5, 40371998), (10, 20185999), (19, 10624210), (38, 5312105), (95, 2124842), (190, 1062421), (197, 1024670), (394, 512335), (985, 204934), (1970, 102467), (3743, 53930), (5393, 37430), (7486, 26965), (10786, 18715)]