16849220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 36590400

約数和(自身を除く): 19741180

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 131, 218, 236, 262, 295, 436, 524, 545, 590, 655, 1090, 1180, 1310, 2180, 2620, 6431, 7729, 12862, 14279, 15458, 25724, 28558, 30916, 32155, 38645, 57116, 64310, 71395, 77290, 128620, 142790, 154580, 285580, 842461, 1684922, 3369844, 4212305, 8424610, 16849220]

約数ペア:

[(1, 16849220), (2, 8424610), (4, 4212305), (5, 3369844), (10, 1684922), (20, 842461), (59, 285580), (109, 154580), (118, 142790), (131, 128620), (218, 77290), (236, 71395), (262, 64310), (295, 57116), (436, 38645), (524, 32155), (545, 30916), (590, 28558), (655, 25724), (1090, 15458), (1180, 14279), (1310, 12862), (2180, 7729), (2620, 6431)]