209937080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16249}}^1$

素因数の和:16296

約数の個数: 64

約数和(自身を含む): 526500000

約数和(自身を除く): 316562920

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 16249, 32498, 64996, 81245, 129992, 162490, 276233, 308731, 324980, 552466, 617462, 649960, 1104932, 1234924, 1381165, 1543655, 2209864, 2469848, 2762330, 3087310, 5248427, 5524660, 6174620, 10496854, 11049320, 12349240, 20993708, 26242135, 41987416, 52484270, 104968540, 209937080]

約数ペア:

[(1, 209937080), (2, 104968540), (4, 52484270), (5, 41987416), (8, 26242135), (10, 20993708), (17, 12349240), (19, 11049320), (20, 10496854), (34, 6174620), (38, 5524660), (40, 5248427), (68, 3087310), (76, 2762330), (85, 2469848), (95, 2209864), (136, 1543655), (152, 1381165), (170, 1234924), (190, 1104932), (323, 649960), (340, 617462), (380, 552466), (646, 324980), (680, 308731), (760, 276233), (1292, 162490), (1615, 129992), (2584, 81245), (3230, 64996), (6460, 32498), (12920, 16249)]