209888970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{929}}^1$

素因数の和:1399

約数の個数: 64

約数和(自身を含む): 535144320

約数和(自身を除く): 325255350

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 443, 510, 886, 929, 1329, 1858, 2215, 2658, 2787, 4430, 4645, 5574, 6645, 7531, 9290, 13290, 13935, 15062, 15793, 22593, 27870, 31586, 37655, 45186, 47379, 75310, 78965, 94758, 112965, 157930, 225930, 236895, 411547, 473790, 823094, 1234641, 2057735, 2469282, 4115470, 6173205, 6996299, 12346410, 13992598, 20988897, 34981495, 41977794, 69962990, 104944485, 209888970]

約数ペア:

[(1, 209888970), (2, 104944485), (3, 69962990), (5, 41977794), (6, 34981495), (10, 20988897), (15, 13992598), (17, 12346410), (30, 6996299), (34, 6173205), (51, 4115470), (85, 2469282), (102, 2057735), (170, 1234641), (255, 823094), (443, 473790), (510, 411547), (886, 236895), (929, 225930), (1329, 157930), (1858, 112965), (2215, 94758), (2658, 78965), (2787, 75310), (4430, 47379), (4645, 45186), (5574, 37655), (6645, 31586), (7531, 27870), (9290, 22593), (13290, 15793), (13935, 15062)]