207619980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203549}}^1$

素因数の和:203578

約数の個数: 48

約数和(自身を含む): 615535200

約数和(自身を除く): 407915220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 203549, 407098, 610647, 814196, 1017745, 1221294, 2035490, 2442588, 3053235, 3460333, 4070980, 6106470, 6920666, 10380999, 12212940, 13841332, 17301665, 20761998, 34603330, 41523996, 51904995, 69206660, 103809990, 207619980]

約数ペア:

[(1, 207619980), (2, 103809990), (3, 69206660), (4, 51904995), (5, 41523996), (6, 34603330), (10, 20761998), (12, 17301665), (15, 13841332), (17, 12212940), (20, 10380999), (30, 6920666), (34, 6106470), (51, 4070980), (60, 3460333), (68, 3053235), (85, 2442588), (102, 2035490), (170, 1221294), (204, 1017745), (255, 814196), (340, 610647), (510, 407098), (1020, 203549)]