244439440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 667671552

約数和(自身を除く): 423232112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 196, 245, 254, 280, 392, 490, 491, 508, 560, 635, 784, 889, 980, 982, 1016, 1270, 1778, 1960, 1964, 2032, 2455, 2540, 3437, 3556, 3920, 3928, 4445, 4910, 5080, 6223, 6874, 7112, 7856, 8890, 9820, 10160, 12446, 13748, 14224, 17185, 17780, 19640, 24059, 24892, 27496, 31115, 34370, 35560, 39280, 48118, 49784, 54992, 62230, 62357, 68740, 71120, 96236, 99568, 120295, 124460, 124714, 137480, 192472, 240590, 248920, 249428, 274960, 311785, 384944, 436499, 481180, 497840, 498856, 623570, 872998, 962360, 997712, 1247140, 1745996, 1924720, 2182495, 2494280, 3055493, 3491992, 4364990, 4988560, 6110986, 6983984, 8729980, 12221972, 15277465, 17459960, 24443944, 30554930, 34919920, 48887888, 61109860, 122219720, 244439440]

約数ペア:

[(1, 244439440), (2, 122219720), (4, 61109860), (5, 48887888), (7, 34919920), (8, 30554930), (10, 24443944), (14, 17459960), (16, 15277465), (20, 12221972), (28, 8729980), (35, 6983984), (40, 6110986), (49, 4988560), (56, 4364990), (70, 3491992), (80, 3055493), (98, 2494280), (112, 2182495), (127, 1924720), (140, 1745996), (196, 1247140), (245, 997712), (254, 962360), (280, 872998), (392, 623570), (490, 498856), (491, 497840), (508, 481180), (560, 436499), (635, 384944), (784, 311785), (889, 274960), (980, 249428), (982, 248920), (1016, 240590), (1270, 192472), (1778, 137480), (1960, 124714), (1964, 124460), (2032, 120295), (2455, 99568), (2540, 96236), (3437, 71120), (3556, 68740), (3920, 62357), (3928, 62230), (4445, 54992), (4910, 49784), (5080, 48118), (6223, 39280), (6874, 35560), (7112, 34370), (7856, 31115), (8890, 27496), (9820, 24892), (10160, 24059), (12446, 19640), (13748, 17780), (14224, 17185)]