1999837776

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{1637}}^1$

素因数の和:2500

約数の個数: 80

約数和(自身を含む): 5342658048

約数和(自身を除く): 3342820272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 821, 1488, 1637, 1642, 2463, 3274, 3284, 4911, 4926, 6548, 6568, 9822, 9852, 13096, 13136, 19644, 19704, 25451, 26192, 39288, 39408, 50747, 50902, 76353, 78576, 101494, 101804, 152241, 152706, 202988, 203608, 304482, 305412, 405976, 407216, 608964, 610824, 811952, 1217928, 1221648, 1343977, 2435856, 2687954, 4031931, 5375908, 8063862, 10751816, 16127724, 21503632, 32255448, 41663287, 64510896, 83326574, 124989861, 166653148, 249979722, 333306296, 499959444, 666612592, 999918888, 1999837776]

約数ペア:

[(1, 1999837776), (2, 999918888), (3, 666612592), (4, 499959444), (6, 333306296), (8, 249979722), (12, 166653148), (16, 124989861), (24, 83326574), (31, 64510896), (48, 41663287), (62, 32255448), (93, 21503632), (124, 16127724), (186, 10751816), (248, 8063862), (372, 5375908), (496, 4031931), (744, 2687954), (821, 2435856), (1488, 1343977), (1637, 1221648), (1642, 1217928), (2463, 811952), (3274, 610824), (3284, 608964), (4911, 407216), (4926, 405976), (6548, 305412), (6568, 304482), (9822, 203608), (9852, 202988), (13096, 152706), (13136, 152241), (19644, 101804), (19704, 101494), (25451, 78576), (26192, 76353), (39288, 50902), (39408, 50747)]