209213220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205111}}^1$

素因数の和:205140

約数の個数: 48

約数和(自身を含む): 620258688

約数和(自身を除く): 411045468

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, 205111, 410222, 615333, 820444, 1025555, 1230666, 2051110, 2461332, 3076665, 3486887, 4102220, 6153330, 6973774, 10460661, 12306660, 13947548, 17434435, 20921322, 34868870, 41842644, 52303305, 69737740, 104606610, 209213220]

約数ペア:

[(1, 209213220), (2, 104606610), (3, 69737740), (4, 52303305), (5, 41842644), (6, 34868870), (10, 20921322), (12, 17434435), (15, 13947548), (17, 12306660), (20, 10460661), (30, 6973774), (34, 6153330), (51, 4102220), (60, 3486887), (68, 3076665), (85, 2461332), (102, 2051110), (170, 1230666), (204, 1025555), (255, 820444), (340, 615333), (510, 410222), (1020, 205111)]