138352720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157219}}^1$

素因数の和:157243

約数の個数: 40

約数和(自身を含む): 350915040

約数和(自身を除く): 212562320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 157219, 314438, 628876, 786095, 1257752, 1572190, 1729409, 2515504, 3144380, 3458818, 6288760, 6917636, 8647045, 12577520, 13835272, 17294090, 27670544, 34588180, 69176360, 138352720]

約数ペア:

[(1, 138352720), (2, 69176360), (4, 34588180), (5, 27670544), (8, 17294090), (10, 13835272), (11, 12577520), (16, 8647045), (20, 6917636), (22, 6288760), (40, 3458818), (44, 3144380), (55, 2515504), (80, 1729409), (88, 1572190), (110, 1257752), (176, 786095), (220, 628876), (440, 314438), (880, 157219)]