17720490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7477}}^1$

素因数の和:7566

約数の個数: 32

約数和(自身を含む): 43073280

約数和(自身を除く): 25352790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 7477, 14954, 22431, 37385, 44862, 74770, 112155, 224310, 590683, 1181366, 1772049, 2953415, 3544098, 5906830, 8860245, 17720490]

約数ペア:

[(1, 17720490), (2, 8860245), (3, 5906830), (5, 3544098), (6, 2953415), (10, 1772049), (15, 1181366), (30, 590683), (79, 224310), (158, 112155), (237, 74770), (395, 44862), (474, 37385), (790, 22431), (1185, 14954), (2370, 7477)]