620384290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{30307}}^1$

素因数の和:30426

約数の個数: 32

約数和(自身を含む): 1178375040

約数和(自身を除く): 557990750

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 30307, 60614, 151535, 303070, 697061, 1394122, 2697323, 3485305, 5394646, 6970610, 13486615, 26973230, 62038429, 124076858, 310192145, 620384290]

約数ペア:

[(1, 620384290), (2, 310192145), (5, 124076858), (10, 62038429), (23, 26973230), (46, 13486615), (89, 6970610), (115, 5394646), (178, 3485305), (230, 2697323), (445, 1394122), (890, 697061), (2047, 303070), (4094, 151535), (10235, 60614), (20470, 30307)]