1890900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 6499584

約数和(自身を除く): 4608684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 191, 198, 220, 225, 275, 300, 330, 382, 396, 450, 495, 550, 573, 660, 764, 825, 900, 955, 990, 1100, 1146, 1650, 1719, 1910, 1980, 2101, 2292, 2475, 2865, 3300, 3438, 3820, 4202, 4775, 4950, 5730, 6303, 6876, 8404, 8595, 9550, 9900, 10505, 11460, 12606, 14325, 17190, 18909, 19100, 21010, 25212, 28650, 31515, 34380, 37818, 42020, 42975, 52525, 57300, 63030, 75636, 85950, 94545, 105050, 126060, 157575, 171900, 189090, 210100, 315150, 378180, 472725, 630300, 945450, 1890900]

約数ペア:

[(1, 1890900), (2, 945450), (3, 630300), (4, 472725), (5, 378180), (6, 315150), (9, 210100), (10, 189090), (11, 171900), (12, 157575), (15, 126060), (18, 105050), (20, 94545), (22, 85950), (25, 75636), (30, 63030), (33, 57300), (36, 52525), (44, 42975), (45, 42020), (50, 37818), (55, 34380), (60, 31515), (66, 28650), (75, 25212), (90, 21010), (99, 19100), (100, 18909), (110, 17190), (132, 14325), (150, 12606), (165, 11460), (180, 10505), (191, 9900), (198, 9550), (220, 8595), (225, 8404), (275, 6876), (300, 6303), (330, 5730), (382, 4950), (396, 4775), (450, 4202), (495, 3820), (550, 3438), (573, 3300), (660, 2865), (764, 2475), (825, 2292), (900, 2101), (955, 1980), (990, 1910), (1100, 1719), (1146, 1650)]