408985380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2272141}}^1$

素因数の和:2272156

約数の個数: 36

約数和(自身を含む): 1240589532

約数和(自身を除く): 831604152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2272141, 4544282, 6816423, 9088564, 11360705, 13632846, 20449269, 22721410, 27265692, 34082115, 40898538, 45442820, 68164230, 81797076, 102246345, 136328460, 204492690, 408985380]

約数ペア:

[(1, 408985380), (2, 204492690), (3, 136328460), (4, 102246345), (5, 81797076), (6, 68164230), (9, 45442820), (10, 40898538), (12, 34082115), (15, 27265692), (18, 22721410), (20, 20449269), (30, 13632846), (36, 11360705), (45, 9088564), (60, 6816423), (90, 4544282), (180, 2272141)]