28853376820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{20029}}^1$

素因数の和:20297

約数の個数: 96

約数和(自身を含む): 67839206400

約数和(自身を除く): 38985829580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 223, 323, 340, 380, 446, 646, 892, 1115, 1292, 1615, 2230, 3230, 3791, 4237, 4460, 6460, 7582, 8474, 15164, 16948, 18955, 20029, 21185, 37910, 40058, 42370, 72029, 75820, 80116, 84740, 100145, 144058, 200290, 288116, 340493, 360145, 380551, 400580, 680986, 720290, 761102, 1361972, 1440580, 1522204, 1702465, 1902755, 3404930, 3805510, 4466467, 6469367, 6809860, 7611020, 8932934, 12938734, 17865868, 22332335, 25877468, 32346835, 44664670, 64693670, 75929939, 84862873, 89329340, 129387340, 151859878, 169725746, 303719756, 339451492, 379649695, 424314365, 759299390, 848628730, 1442668841, 1518598780, 1697257460, 2885337682, 5770675364, 7213344205, 14426688410, 28853376820]

約数ペア:

[(1, 28853376820), (2, 14426688410), (4, 7213344205), (5, 5770675364), (10, 2885337682), (17, 1697257460), (19, 1518598780), (20, 1442668841), (34, 848628730), (38, 759299390), (68, 424314365), (76, 379649695), (85, 339451492), (95, 303719756), (170, 169725746), (190, 151859878), (223, 129387340), (323, 89329340), (340, 84862873), (380, 75929939), (446, 64693670), (646, 44664670), (892, 32346835), (1115, 25877468), (1292, 22332335), (1615, 17865868), (2230, 12938734), (3230, 8932934), (3791, 7611020), (4237, 6809860), (4460, 6469367), (6460, 4466467), (7582, 3805510), (8474, 3404930), (15164, 1902755), (16948, 1702465), (18955, 1522204), (20029, 1440580), (21185, 1361972), (37910, 761102), (40058, 720290), (42370, 680986), (72029, 400580), (75820, 380551), (80116, 360145), (84740, 340493), (100145, 288116), (144058, 200290)]