221323380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{7247}}^1$

素因数の和:7768

約数の個数: 48

約数和(自身を含む): 621008640

約数和(自身を除く): 399685260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 1018, 1527, 2036, 2545, 3054, 5090, 6108, 7247, 7635, 10180, 14494, 15270, 21741, 28988, 30540, 36235, 43482, 72470, 86964, 108705, 144940, 217410, 434820, 3688723, 7377446, 11066169, 14754892, 18443615, 22132338, 36887230, 44264676, 55330845, 73774460, 110661690, 221323380]

約数ペア:

[(1, 221323380), (2, 110661690), (3, 73774460), (4, 55330845), (5, 44264676), (6, 36887230), (10, 22132338), (12, 18443615), (15, 14754892), (20, 11066169), (30, 7377446), (60, 3688723), (509, 434820), (1018, 217410), (1527, 144940), (2036, 108705), (2545, 86964), (3054, 72470), (5090, 43482), (6108, 36235), (7247, 30540), (7635, 28988), (10180, 21741), (14494, 15270)]