208122330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31391}}^1$

素因数の和:31431

約数の個数: 64

約数和(自身を含む): 569576448

約数和(自身を除く): 361454118

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 31391, 62782, 94173, 156955, 188346, 313910, 408083, 470865, 533647, 816166, 941730, 1067294, 1224249, 1600941, 2040415, 2448498, 2668235, 3201882, 4080830, 5336470, 6121245, 6937411, 8004705, 12242490, 13874822, 16009410, 20812233, 34687055, 41624466, 69374110, 104061165, 208122330]

約数ペア:

[(1, 208122330), (2, 104061165), (3, 69374110), (5, 41624466), (6, 34687055), (10, 20812233), (13, 16009410), (15, 13874822), (17, 12242490), (26, 8004705), (30, 6937411), (34, 6121245), (39, 5336470), (51, 4080830), (65, 3201882), (78, 2668235), (85, 2448498), (102, 2040415), (130, 1600941), (170, 1224249), (195, 1067294), (221, 941730), (255, 816166), (390, 533647), (442, 470865), (510, 408083), (663, 313910), (1105, 188346), (1326, 156955), (2210, 94173), (3315, 62782), (6630, 31391)]