189390760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{364213}}^1$

素因数の和:364237

約数の個数: 32

約数和(自身を含む): 458909640

約数和(自身を除く): 269518880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 364213, 728426, 1456852, 1821065, 2913704, 3642130, 4734769, 7284260, 9469538, 14568520, 18939076, 23673845, 37878152, 47347690, 94695380, 189390760]

約数ペア:

[(1, 189390760), (2, 94695380), (4, 47347690), (5, 37878152), (8, 23673845), (10, 18939076), (13, 14568520), (20, 9469538), (26, 7284260), (40, 4734769), (52, 3642130), (65, 2913704), (104, 1821065), (130, 1456852), (260, 728426), (520, 364213)]