123638620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51949}}^1$

素因数の和:51982

約数の個数: 48

約数和(自身を含む): 314193600

約数和(自身を除く): 190554980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 51949, 103898, 207796, 259745, 363643, 519490, 727286, 883133, 1038980, 1454572, 1766266, 1818215, 3532532, 3636430, 4415665, 6181931, 7272860, 8831330, 12363862, 17662660, 24727724, 30909655, 61819310, 123638620]

約数ペア:

[(1, 123638620), (2, 61819310), (4, 30909655), (5, 24727724), (7, 17662660), (10, 12363862), (14, 8831330), (17, 7272860), (20, 6181931), (28, 4415665), (34, 3636430), (35, 3532532), (68, 1818215), (70, 1766266), (85, 1454572), (119, 1038980), (140, 883133), (170, 727286), (238, 519490), (340, 363643), (476, 259745), (595, 207796), (1190, 103898), (2380, 51949)]