248008520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7589}}^1$

素因数の和:7662

約数の個数: 64

約数和(自身を含む): 601128000

約数和(自身を除く): 353119480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 7589, 8170, 15178, 16340, 30356, 32680, 37945, 60712, 75890, 144191, 151780, 288382, 303560, 326327, 576764, 652654, 720955, 1153528, 1305308, 1441910, 1631635, 2610616, 2883820, 3263270, 5767640, 6200213, 6526540, 12400426, 13053080, 24800852, 31001065, 49601704, 62002130, 124004260, 248008520]

約数ペア:

[(1, 248008520), (2, 124004260), (4, 62002130), (5, 49601704), (8, 31001065), (10, 24800852), (19, 13053080), (20, 12400426), (38, 6526540), (40, 6200213), (43, 5767640), (76, 3263270), (86, 2883820), (95, 2610616), (152, 1631635), (172, 1441910), (190, 1305308), (215, 1153528), (344, 720955), (380, 652654), (430, 576764), (760, 326327), (817, 303560), (860, 288382), (1634, 151780), (1720, 144191), (3268, 75890), (4085, 60712), (6536, 37945), (7589, 32680), (8170, 30356), (15178, 16340)]