90457328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 203320320

約数和(自身を除く): 112862992

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 208, 247, 304, 376, 487, 494, 611, 752, 893, 974, 988, 1222, 1786, 1948, 1976, 2444, 3572, 3896, 3952, 4888, 6331, 7144, 7792, 9253, 9776, 11609, 12662, 14288, 18506, 22889, 23218, 25324, 37012, 45778, 46436, 50648, 74024, 91556, 92872, 101296, 120289, 148048, 183112, 185744, 240578, 297557, 366224, 434891, 481156, 595114, 869782, 962312, 1190228, 1739564, 1924624, 2380456, 3479128, 4760912, 5653583, 6958256, 11307166, 22614332, 45228664, 90457328]

約数ペア:

[(1, 90457328), (2, 45228664), (4, 22614332), (8, 11307166), (13, 6958256), (16, 5653583), (19, 4760912), (26, 3479128), (38, 2380456), (47, 1924624), (52, 1739564), (76, 1190228), (94, 962312), (104, 869782), (152, 595114), (188, 481156), (208, 434891), (247, 366224), (304, 297557), (376, 240578), (487, 185744), (494, 183112), (611, 148048), (752, 120289), (893, 101296), (974, 92872), (988, 91556), (1222, 74024), (1786, 50648), (1948, 46436), (1976, 45778), (2444, 37012), (3572, 25324), (3896, 23218), (3952, 22889), (4888, 18506), (6331, 14288), (7144, 12662), (7792, 11609), (9253, 9776)]