221393880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{614983}}^1$

素因数の和:615000

約数の個数: 48

約数和(自身を含む): 719531280

約数和(自身を除く): 498137400

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, 614983, 1229966, 1844949, 2459932, 3074915, 3689898, 4919864, 5534847, 6149830, 7379796, 9224745, 11069694, 12299660, 14759592, 18449490, 22139388, 24599320, 27674235, 36898980, 44278776, 55348470, 73797960, 110696940, 221393880]

約数ペア:

[(1, 221393880), (2, 110696940), (3, 73797960), (4, 55348470), (5, 44278776), (6, 36898980), (8, 27674235), (9, 24599320), (10, 22139388), (12, 18449490), (15, 14759592), (18, 12299660), (20, 11069694), (24, 9224745), (30, 7379796), (36, 6149830), (40, 5534847), (45, 4919864), (60, 3689898), (72, 3074915), (90, 2459932), (120, 1844949), (180, 1229966), (360, 614983)]