1900381840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109469}}^1$

素因数の和:109520

約数の個数: 80

約数和(自身を含む): 5212523520

約数和(自身を除く): 3312141680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 109469, 218938, 437876, 547345, 766283, 875752, 1094690, 1532566, 1751504, 2189380, 3065132, 3393539, 3831415, 4378760, 6130264, 6787078, 7662830, 8757520, 12260528, 13574156, 15325660, 16967695, 23754773, 27148312, 30651320, 33935390, 47509546, 54296624, 61302640, 67870780, 95019092, 118773865, 135741560, 190038184, 237547730, 271483120, 380076368, 475095460, 950190920, 1900381840]

約数ペア:

[(1, 1900381840), (2, 950190920), (4, 475095460), (5, 380076368), (7, 271483120), (8, 237547730), (10, 190038184), (14, 135741560), (16, 118773865), (20, 95019092), (28, 67870780), (31, 61302640), (35, 54296624), (40, 47509546), (56, 33935390), (62, 30651320), (70, 27148312), (80, 23754773), (112, 16967695), (124, 15325660), (140, 13574156), (155, 12260528), (217, 8757520), (248, 7662830), (280, 6787078), (310, 6130264), (434, 4378760), (496, 3831415), (560, 3393539), (620, 3065132), (868, 2189380), (1085, 1751504), (1240, 1532566), (1736, 1094690), (2170, 875752), (2480, 766283), (3472, 547345), (4340, 437876), (8680, 218938), (17360, 109469)]