207970020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{39841}}^1$

素因数の和:39885

約数の個数: 72

約数和(自身を含む): 652611960

約数和(自身を除く): 444641940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 39841, 79682, 119523, 159364, 199205, 239046, 358569, 398410, 478092, 597615, 717138, 796820, 1155389, 1195230, 1434276, 1792845, 2310778, 2390460, 3466167, 3585690, 4621556, 5776945, 6932334, 7171380, 10398501, 11553890, 13864668, 17330835, 20797002, 23107780, 34661670, 41594004, 51992505, 69323340, 103985010, 207970020]

約数ペア:

[(1, 207970020), (2, 103985010), (3, 69323340), (4, 51992505), (5, 41594004), (6, 34661670), (9, 23107780), (10, 20797002), (12, 17330835), (15, 13864668), (18, 11553890), (20, 10398501), (29, 7171380), (30, 6932334), (36, 5776945), (45, 4621556), (58, 3585690), (60, 3466167), (87, 2390460), (90, 2310778), (116, 1792845), (145, 1434276), (174, 1195230), (180, 1155389), (261, 796820), (290, 717138), (348, 597615), (435, 478092), (522, 398410), (580, 358569), (870, 239046), (1044, 199205), (1305, 159364), (1740, 119523), (2610, 79682), (5220, 39841)]