2019578990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 4397234688

約数和(自身を除く): 2377655698

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 67, 107, 110, 130, 134, 143, 197, 214, 286, 335, 394, 535, 670, 715, 737, 871, 985, 1070, 1177, 1391, 1430, 1474, 1742, 1970, 2167, 2354, 2561, 2782, 3685, 4334, 4355, 5122, 5885, 6955, 7169, 7370, 8710, 9581, 10835, 11770, 12805, 13199, 13910, 14338, 15301, 19162, 21079, 21670, 25610, 26398, 28171, 30602, 35845, 42158, 47905, 56342, 65995, 71690, 76505, 78859, 93197, 95810, 105395, 131990, 140855, 145189, 153010, 157718, 171587, 186394, 210790, 231869, 274027, 281710, 290378, 343174, 394295, 463738, 465985, 548054, 725945, 788590, 857935, 931970, 1025167, 1159345, 1370135, 1412293, 1451890, 1715870, 1887457, 2050334, 2318690, 2740270, 2824586, 3014297, 3774914, 5125835, 6028594, 7061465, 9437285, 10251670, 14122930, 15071485, 15535223, 18359809, 18874570, 30142970, 31070446, 36719618, 77676115, 91799045, 155352230, 183598090, 201957899, 403915798, 1009789495, 2019578990]

約数ペア:

[(1, 2019578990), (2, 1009789495), (5, 403915798), (10, 201957899), (11, 183598090), (13, 155352230), (22, 91799045), (26, 77676115), (55, 36719618), (65, 31070446), (67, 30142970), (107, 18874570), (110, 18359809), (130, 15535223), (134, 15071485), (143, 14122930), (197, 10251670), (214, 9437285), (286, 7061465), (335, 6028594), (394, 5125835), (535, 3774914), (670, 3014297), (715, 2824586), (737, 2740270), (871, 2318690), (985, 2050334), (1070, 1887457), (1177, 1715870), (1391, 1451890), (1430, 1412293), (1474, 1370135), (1742, 1159345), (1970, 1025167), (2167, 931970), (2354, 857935), (2561, 788590), (2782, 725945), (3685, 548054), (4334, 465985), (4355, 463738), (5122, 394295), (5885, 343174), (6955, 290378), (7169, 281710), (7370, 274027), (8710, 231869), (9581, 210790), (10835, 186394), (11770, 171587), (12805, 157718), (13199, 153010), (13910, 145189), (14338, 140855), (15301, 131990), (19162, 105395), (21079, 95810), (21670, 93197), (25610, 78859), (26398, 76505), (28171, 71690), (30602, 65995), (35845, 56342), (42158, 47905)]