56945840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 156909600

約数和(自身を除く): 99963760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 199, 245, 280, 292, 365, 392, 398, 490, 511, 560, 584, 730, 784, 796, 980, 995, 1022, 1168, 1393, 1460, 1592, 1960, 1990, 2044, 2555, 2786, 2920, 3184, 3577, 3920, 3980, 4088, 5110, 5572, 5840, 6965, 7154, 7960, 8176, 9751, 10220, 11144, 13930, 14308, 14527, 15920, 17885, 19502, 20440, 22288, 27860, 28616, 29054, 35770, 39004, 40880, 48755, 55720, 57232, 58108, 71540, 72635, 78008, 97510, 101689, 111440, 116216, 143080, 145270, 156016, 195020, 203378, 232432, 286160, 290540, 390040, 406756, 508445, 581080, 711823, 780080, 813512, 1016890, 1162160, 1423646, 1627024, 2033780, 2847292, 3559115, 4067560, 5694584, 7118230, 8135120, 11389168, 14236460, 28472920, 56945840]

約数ペア:

[(1, 56945840), (2, 28472920), (4, 14236460), (5, 11389168), (7, 8135120), (8, 7118230), (10, 5694584), (14, 4067560), (16, 3559115), (20, 2847292), (28, 2033780), (35, 1627024), (40, 1423646), (49, 1162160), (56, 1016890), (70, 813512), (73, 780080), (80, 711823), (98, 581080), (112, 508445), (140, 406756), (146, 390040), (196, 290540), (199, 286160), (245, 232432), (280, 203378), (292, 195020), (365, 156016), (392, 145270), (398, 143080), (490, 116216), (511, 111440), (560, 101689), (584, 97510), (730, 78008), (784, 72635), (796, 71540), (980, 58108), (995, 57232), (1022, 55720), (1168, 48755), (1393, 40880), (1460, 39004), (1592, 35770), (1960, 29054), (1990, 28616), (2044, 27860), (2555, 22288), (2786, 20440), (2920, 19502), (3184, 17885), (3577, 15920), (3920, 14527), (3980, 14308), (4088, 13930), (5110, 11144), (5572, 10220), (5840, 9751), (6965, 8176), (7154, 7960)]