890290240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12821}}^1$

素因数の和:12876

約数の個数: 112

約数和(自身を含む): 2501213184

約数和(自身を除く): 1610922944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 12821, 13888, 17360, 25642, 34720, 51284, 64105, 69440, 89747, 102568, 128210, 179494, 205136, 256420, 358988, 397451, 410272, 448735, 512840, 717976, 794902, 820544, 897470, 1025680, 1435952, 1589804, 1794940, 1987255, 2051360, 2782157, 2871904, 3179608, 3589880, 3974510, 4102720, 5564314, 5743808, 6359216, 7179760, 7949020, 11128628, 12718432, 13910785, 14359520, 15898040, 22257256, 25436864, 27821570, 28719040, 31796080, 44514512, 55643140, 63592160, 89029024, 111286280, 127184320, 178058048, 222572560, 445145120, 890290240]

約数ペア:

[(1, 890290240), (2, 445145120), (4, 222572560), (5, 178058048), (7, 127184320), (8, 111286280), (10, 89029024), (14, 63592160), (16, 55643140), (20, 44514512), (28, 31796080), (31, 28719040), (32, 27821570), (35, 25436864), (40, 22257256), (56, 15898040), (62, 14359520), (64, 13910785), (70, 12718432), (80, 11128628), (112, 7949020), (124, 7179760), (140, 6359216), (155, 5743808), (160, 5564314), (217, 4102720), (224, 3974510), (248, 3589880), (280, 3179608), (310, 2871904), (320, 2782157), (434, 2051360), (448, 1987255), (496, 1794940), (560, 1589804), (620, 1435952), (868, 1025680), (992, 897470), (1085, 820544), (1120, 794902), (1240, 717976), (1736, 512840), (1984, 448735), (2170, 410272), (2240, 397451), (2480, 358988), (3472, 256420), (4340, 205136), (4960, 179494), (6944, 128210), (8680, 102568), (9920, 89747), (12821, 69440), (13888, 64105), (17360, 51284), (25642, 34720)]