209085040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{153739}}^1$

素因数の和:153769

約数の個数: 40

約数和(自身を含む): 514721520

約数和(自身を除く): 305636480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 153739, 307478, 614956, 768695, 1229912, 1537390, 2459824, 2613563, 3074780, 5227126, 6149560, 10454252, 12299120, 13067815, 20908504, 26135630, 41817008, 52271260, 104542520, 209085040]

約数ペア:

[(1, 209085040), (2, 104542520), (4, 52271260), (5, 41817008), (8, 26135630), (10, 20908504), (16, 13067815), (17, 12299120), (20, 10454252), (34, 6149560), (40, 5227126), (68, 3074780), (80, 2613563), (85, 2459824), (136, 1537390), (170, 1229912), (272, 768695), (340, 614956), (680, 307478), (1360, 153739)]