397882870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 933368832

約数和(自身を除く): 535485962

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 61, 70, 77, 86, 110, 122, 154, 197, 215, 301, 305, 385, 394, 427, 430, 473, 602, 610, 671, 770, 854, 946, 985, 1342, 1379, 1505, 1970, 2135, 2167, 2365, 2623, 2758, 3010, 3311, 3355, 4270, 4334, 4697, 4730, 5246, 6622, 6710, 6895, 8471, 9394, 10835, 12017, 13115, 13790, 15169, 16555, 16942, 18361, 21670, 23485, 24034, 26230, 28853, 30338, 33110, 36722, 42355, 46970, 57706, 59297, 60085, 75845, 84119, 84710, 91805, 93181, 118594, 120170, 132187, 144265, 151690, 168238, 183610, 186362, 201971, 264374, 288530, 296485, 403942, 420595, 465905, 516731, 592970, 652267, 660935, 841190, 925309, 931810, 1009855, 1033462, 1304534, 1321870, 1850618, 2019710, 2583655, 3261335, 3617117, 4626545, 5167310, 5684041, 6522670, 7234234, 9253090, 11368082, 18085585, 28420205, 36171170, 39788287, 56840410, 79576574, 198941435, 397882870]

約数ペア:

[(1, 397882870), (2, 198941435), (5, 79576574), (7, 56840410), (10, 39788287), (11, 36171170), (14, 28420205), (22, 18085585), (35, 11368082), (43, 9253090), (55, 7234234), (61, 6522670), (70, 5684041), (77, 5167310), (86, 4626545), (110, 3617117), (122, 3261335), (154, 2583655), (197, 2019710), (215, 1850618), (301, 1321870), (305, 1304534), (385, 1033462), (394, 1009855), (427, 931810), (430, 925309), (473, 841190), (602, 660935), (610, 652267), (671, 592970), (770, 516731), (854, 465905), (946, 420595), (985, 403942), (1342, 296485), (1379, 288530), (1505, 264374), (1970, 201971), (2135, 186362), (2167, 183610), (2365, 168238), (2623, 151690), (2758, 144265), (3010, 132187), (3311, 120170), (3355, 118594), (4270, 93181), (4334, 91805), (4697, 84710), (4730, 84119), (5246, 75845), (6622, 60085), (6710, 59297), (6895, 57706), (8471, 46970), (9394, 42355), (10835, 36722), (12017, 33110), (13115, 30338), (13790, 28853), (15169, 26230), (16555, 24034), (16942, 23485), (18361, 21670)]