404300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 947856

約数和(自身を除く): 543556

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 311, 325, 622, 650, 1244, 1300, 1555, 3110, 4043, 6220, 7775, 8086, 15550, 16172, 20215, 31100, 40430, 80860, 101075, 202150, 404300]

約数ペア:

[(1, 404300), (2, 202150), (4, 101075), (5, 80860), (10, 40430), (13, 31100), (20, 20215), (25, 16172), (26, 15550), (50, 8086), (52, 7775), (65, 6220), (100, 4043), (130, 3110), (260, 1555), (311, 1300), (325, 1244), (622, 650)]