2191500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{487}}^1$

素因数の和:512

約数の個数: 72

約数和(自身を含む): 6927648

約数和(自身を除く): 4736148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 487, 500, 750, 900, 974, 1125, 1461, 1500, 1948, 2250, 2435, 2922, 4383, 4500, 4870, 5844, 7305, 8766, 9740, 12175, 14610, 17532, 21915, 24350, 29220, 36525, 43830, 48700, 60875, 73050, 87660, 109575, 121750, 146100, 182625, 219150, 243500, 365250, 438300, 547875, 730500, 1095750, 2191500]

約数ペア:

[(1, 2191500), (2, 1095750), (3, 730500), (4, 547875), (5, 438300), (6, 365250), (9, 243500), (10, 219150), (12, 182625), (15, 146100), (18, 121750), (20, 109575), (25, 87660), (30, 73050), (36, 60875), (45, 48700), (50, 43830), (60, 36525), (75, 29220), (90, 24350), (100, 21915), (125, 17532), (150, 14610), (180, 12175), (225, 9740), (250, 8766), (300, 7305), (375, 5844), (450, 4870), (487, 4500), (500, 4383), (750, 2922), (900, 2435), (974, 2250), (1125, 1948), (1461, 1500)]