490183668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2099}}^1$

素因数の和:2621

約数の個数: 72

約数和(自身を含む): 1337700000

約数和(自身を除く): 847516332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 499, 998, 1497, 1996, 2099, 2994, 4198, 4491, 5988, 6297, 6487, 8396, 8982, 12594, 12974, 17964, 18891, 19461, 25188, 25948, 27287, 37782, 38922, 54574, 58383, 75564, 77844, 81861, 109148, 116766, 163722, 233532, 245583, 327444, 491166, 982332, 1047401, 2094802, 3142203, 4189604, 6284406, 9426609, 12568812, 13616213, 18853218, 27232426, 37706436, 40848639, 54464852, 81697278, 122545917, 163394556, 245091834, 490183668]

約数ペア:

[(1, 490183668), (2, 245091834), (3, 163394556), (4, 122545917), (6, 81697278), (9, 54464852), (12, 40848639), (13, 37706436), (18, 27232426), (26, 18853218), (36, 13616213), (39, 12568812), (52, 9426609), (78, 6284406), (117, 4189604), (156, 3142203), (234, 2094802), (468, 1047401), (499, 982332), (998, 491166), (1497, 327444), (1996, 245583), (2099, 233532), (2994, 163722), (4198, 116766), (4491, 109148), (5988, 81861), (6297, 77844), (6487, 75564), (8396, 58383), (8982, 54574), (12594, 38922), (12974, 37782), (17964, 27287), (18891, 25948), (19461, 25188)]