205744540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31849}}^1$

素因数の和:31894

約数の個数: 48

約数和(自身を含む): 481572000

約数和(自身を除く): 275827460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 31849, 63698, 127396, 159245, 318490, 541433, 605131, 636980, 1082866, 1210262, 2165732, 2420524, 2707165, 3025655, 5414330, 6051310, 10287227, 10828660, 12102620, 20574454, 41148908, 51436135, 102872270, 205744540]

約数ペア:

[(1, 205744540), (2, 102872270), (4, 51436135), (5, 41148908), (10, 20574454), (17, 12102620), (19, 10828660), (20, 10287227), (34, 6051310), (38, 5414330), (68, 3025655), (76, 2707165), (85, 2420524), (95, 2165732), (170, 1210262), (190, 1082866), (323, 636980), (340, 605131), (380, 541433), (646, 318490), (1292, 159245), (1615, 127396), (3230, 63698), (6460, 31849)]