19902300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 64912512

約数和(自身を除く): 45010212

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 37, 44, 50, 55, 60, 66, 74, 75, 100, 110, 111, 132, 148, 150, 163, 165, 185, 220, 222, 275, 300, 326, 330, 370, 407, 444, 489, 550, 555, 652, 660, 740, 814, 815, 825, 925, 978, 1100, 1110, 1221, 1628, 1630, 1650, 1793, 1850, 1956, 2035, 2220, 2442, 2445, 2775, 3260, 3300, 3586, 3700, 4070, 4075, 4884, 4890, 5379, 5550, 6031, 6105, 7172, 8140, 8150, 8965, 9780, 10175, 10758, 11100, 12062, 12210, 12225, 16300, 17930, 18093, 20350, 21516, 24124, 24420, 24450, 26895, 30155, 30525, 35860, 36186, 40700, 44825, 48900, 53790, 60310, 61050, 66341, 72372, 89650, 90465, 107580, 120620, 122100, 132682, 134475, 150775, 179300, 180930, 199023, 265364, 268950, 301550, 331705, 361860, 398046, 452325, 537900, 603100, 663410, 796092, 904650, 995115, 1326820, 1658525, 1809300, 1990230, 3317050, 3980460, 4975575, 6634100, 9951150, 19902300]

約数ペア:

[(1, 19902300), (2, 9951150), (3, 6634100), (4, 4975575), (5, 3980460), (6, 3317050), (10, 1990230), (11, 1809300), (12, 1658525), (15, 1326820), (20, 995115), (22, 904650), (25, 796092), (30, 663410), (33, 603100), (37, 537900), (44, 452325), (50, 398046), (55, 361860), (60, 331705), (66, 301550), (74, 268950), (75, 265364), (100, 199023), (110, 180930), (111, 179300), (132, 150775), (148, 134475), (150, 132682), (163, 122100), (165, 120620), (185, 107580), (220, 90465), (222, 89650), (275, 72372), (300, 66341), (326, 61050), (330, 60310), (370, 53790), (407, 48900), (444, 44825), (489, 40700), (550, 36186), (555, 35860), (652, 30525), (660, 30155), (740, 26895), (814, 24450), (815, 24420), (825, 24124), (925, 21516), (978, 20350), (1100, 18093), (1110, 17930), (1221, 16300), (1628, 12225), (1630, 12210), (1650, 12062), (1793, 11100), (1850, 10758), (1956, 10175), (2035, 9780), (2220, 8965), (2442, 8150), (2445, 8140), (2775, 7172), (3260, 6105), (3300, 6031), (3586, 5550), (3700, 5379), (4070, 4890), (4075, 4884)]