2021775280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1627}}^1$

素因数の和:1971

約数の個数: 120

約数和(自身を含む): 5488697808

約数和(自身を除く): 3466922528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 317, 392, 490, 560, 634, 784, 980, 1268, 1585, 1627, 1960, 2219, 2536, 3170, 3254, 3920, 4438, 5072, 6340, 6508, 8135, 8876, 11095, 11389, 12680, 13016, 15533, 16270, 17752, 22190, 22778, 25360, 26032, 31066, 32540, 35504, 44380, 45556, 56945, 62132, 65080, 77665, 79723, 88760, 91112, 113890, 124264, 130160, 155330, 159446, 177520, 182224, 227780, 248528, 310660, 318892, 398615, 455560, 515759, 621320, 637784, 797230, 911120, 1031518, 1242640, 1275568, 1594460, 2063036, 2578795, 3188920, 3610313, 4126072, 5157590, 6377840, 7220626, 8252144, 10315180, 14441252, 18051565, 20630360, 25272191, 28882504, 36103130, 41260720, 50544382, 57765008, 72206260, 101088764, 126360955, 144412520, 202177528, 252721910, 288825040, 404355056, 505443820, 1010887640, 2021775280]

約数ペア:

[(1, 2021775280), (2, 1010887640), (4, 505443820), (5, 404355056), (7, 288825040), (8, 252721910), (10, 202177528), (14, 144412520), (16, 126360955), (20, 101088764), (28, 72206260), (35, 57765008), (40, 50544382), (49, 41260720), (56, 36103130), (70, 28882504), (80, 25272191), (98, 20630360), (112, 18051565), (140, 14441252), (196, 10315180), (245, 8252144), (280, 7220626), (317, 6377840), (392, 5157590), (490, 4126072), (560, 3610313), (634, 3188920), (784, 2578795), (980, 2063036), (1268, 1594460), (1585, 1275568), (1627, 1242640), (1960, 1031518), (2219, 911120), (2536, 797230), (3170, 637784), (3254, 621320), (3920, 515759), (4438, 455560), (5072, 398615), (6340, 318892), (6508, 310660), (8135, 248528), (8876, 227780), (11095, 182224), (11389, 177520), (12680, 159446), (13016, 155330), (15533, 130160), (16270, 124264), (17752, 113890), (22190, 91112), (22778, 88760), (25360, 79723), (26032, 77665), (31066, 65080), (32540, 62132), (35504, 56945), (44380, 45556)]