197942040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{549839}}^1$

素因数の和:549856

約数の個数: 48

約数和(自身を含む): 643312800

約数和(自身を除く): 445370760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 549839, 1099678, 1649517, 2199356, 2749195, 3299034, 4398712, 4948551, 5498390, 6598068, 8247585, 9897102, 10996780, 13196136, 16495170, 19794204, 21993560, 24742755, 32990340, 39588408, 49485510, 65980680, 98971020, 197942040]

約数ペア:

[(1, 197942040), (2, 98971020), (3, 65980680), (4, 49485510), (5, 39588408), (6, 32990340), (8, 24742755), (9, 21993560), (10, 19794204), (12, 16495170), (15, 13196136), (18, 10996780), (20, 9897102), (24, 8247585), (30, 6598068), (36, 5498390), (40, 4948551), (45, 4398712), (60, 3299034), (72, 2749195), (90, 2199356), (120, 1649517), (180, 1099678), (360, 549839)]