387193220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{911}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 827366400

約数和(自身を除く): 440173180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 269, 316, 395, 538, 790, 911, 1076, 1345, 1580, 1822, 2690, 3644, 4555, 5380, 9110, 18220, 21251, 42502, 71969, 85004, 106255, 143938, 212510, 245059, 287876, 359845, 425020, 490118, 719690, 980236, 1225295, 1439380, 2450590, 4901180, 19359661, 38719322, 77438644, 96798305, 193596610, 387193220]

約数ペア:

[(1, 387193220), (2, 193596610), (4, 96798305), (5, 77438644), (10, 38719322), (20, 19359661), (79, 4901180), (158, 2450590), (269, 1439380), (316, 1225295), (395, 980236), (538, 719690), (790, 490118), (911, 425020), (1076, 359845), (1345, 287876), (1580, 245059), (1822, 212510), (2690, 143938), (3644, 106255), (4555, 85004), (5380, 71969), (9110, 42502), (18220, 21251)]