221321700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{81971}}^1$

素因数の和:81994

約数の個数: 72

約数和(自身を含む): 711516960

約数和(自身を除く): 490195260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 81971, 163942, 245913, 327884, 409855, 491826, 737739, 819710, 983652, 1229565, 1475478, 1639420, 2049275, 2213217, 2459130, 2950956, 3688695, 4098550, 4426434, 4918260, 6147825, 7377390, 8197100, 8852868, 11066085, 12295650, 14754780, 18443475, 22132170, 24591300, 36886950, 44264340, 55330425, 73773900, 110660850, 221321700]

約数ペア:

[(1, 221321700), (2, 110660850), (3, 73773900), (4, 55330425), (5, 44264340), (6, 36886950), (9, 24591300), (10, 22132170), (12, 18443475), (15, 14754780), (18, 12295650), (20, 11066085), (25, 8852868), (27, 8197100), (30, 7377390), (36, 6147825), (45, 4918260), (50, 4426434), (54, 4098550), (60, 3688695), (75, 2950956), (90, 2459130), (100, 2213217), (108, 2049275), (135, 1639420), (150, 1475478), (180, 1229565), (225, 983652), (270, 819710), (300, 737739), (450, 491826), (540, 409855), (675, 327884), (900, 245913), (1350, 163942), (2700, 81971)]