128420300

素因数分解:

$2^2\times 5^2\times {\mathrm{563}}^1\times {\mathrm{2281}}^1$

素因数の和:2858

約数の個数: 36

約数和(自身を含む): 279289416

約数和(自身を除く): 150869116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 563, 1126, 2252, 2281, 2815, 4562, 5630, 9124, 11260, 11405, 14075, 22810, 28150, 45620, 56300, 57025, 114050, 228100, 1284203, 2568406, 5136812, 6421015, 12842030, 25684060, 32105075, 64210150, 128420300]

約数ペア:

[(1, 128420300), (2, 64210150), (4, 32105075), (5, 25684060), (10, 12842030), (20, 6421015), (25, 5136812), (50, 2568406), (100, 1284203), (563, 228100), (1126, 114050), (2252, 57025), (2281, 56300), (2815, 45620), (4562, 28150), (5630, 22810), (9124, 14075), (11260, 11405)]